The 2004 Subaru Impreza, a name synonymous with rally-bred performance and all-wheel-drive prowess, continues to captivate enthusiasts and everyday drivers alike. This iconic model, known for its versatility and rugged reliability, carved a niche for itself in the automotive landscape, offering a blend of practicality and spirited driving dynamics.
From its humble beginnings as a compact hatchback, the Impreza evolved into a versatile platform, encompassing sedan, wagon, and even a high-performance WRX variant. This comprehensive review delves into the key features, performance characteristics, and lasting legacy of the 2004 Subaru Impreza, exploring its strengths and weaknesses to provide a comprehensive understanding of this beloved vehicle.
The 2004 Impreza was available in various trim levels, catering to diverse needs and budgets. From the base 2.5i to the sporty WRX, each model offered a unique blend of features and performance. The Impreza’s distinctive design, characterized by its sharp lines and functional aesthetics, set it apart from its competitors.
The interior, while simple, offered a practical and comfortable space for passengers, while the all-wheel-drive system provided exceptional traction and handling, especially in challenging road conditions. The Impreza’s reputation for reliability and affordability further cemented its place as a compelling choice for both seasoned drivers and newcomers to the Subaru family.
Overview
The 2004 Subaru Impreza is a compact car known for its all-wheel drive system, performance, and affordability. It was available in various trims, including the WRX, STI, and the standard Impreza. The Impreza was offered as a sedan, hatchback, and wagon, catering to diverse needs and preferences.The Subaru Impreza has been a significant player in the automotive industry since its debut in 1993.
It gained immense popularity due to its reliable all-wheel drive system, making it a popular choice for driving in challenging weather conditions. The Impreza also garnered recognition for its sporty handling and performance, particularly the WRX and STI variants.The 2004 Subaru Impreza targeted a diverse audience, appealing to both practical and performance-oriented drivers.
The standard Impreza offered affordability and practicality, making it suitable for families and individuals seeking reliable transportation. The WRX and STI variants, with their enhanced performance and handling, attracted enthusiasts and those seeking a thrilling driving experience.
Performance and Handling
The 2004 Subaru Impreza offered a blend of performance and handling that made it a popular choice for enthusiasts and everyday drivers alike. Its engine options, all-wheel drive system, and well-tuned suspension contributed to its engaging driving experience.
The 2004 Subaru Impreza was a popular choice for enthusiasts, known for its performance and rally heritage. While the Impreza focused on road-going prowess, Subaru also offered a more rugged option in the form of the 2005 Subaru Baja , a unique pickup truck that shared its platform with the Impreza.
The Baja, with its distinctive styling and all-wheel drive, provided a more practical and adventurous alternative to the Impreza, offering a blend of car-like handling and off-road capability.
Engine Options and Performance Characteristics
The 2004 Subaru Impreza was available with two primary engine options: a naturally aspirated 2.5-liter four-cylinder engine and a turbocharged 2.0-liter four-cylinder engine. The naturally aspirated 2.5-liter engine produced 165 horsepower and 166 lb-ft of torque, providing adequate power for everyday driving.
The turbocharged 2.0-liter engine, however, offered a significant performance boost, generating 227 horsepower and 221 lb-ft of torque. This engine was available in the WRX and STi models, which were known for their sporty handling and aggressive acceleration.
- 2.5-liter four-cylinder engine:
- Power: 165 horsepower
- Torque: 166 lb-ft
- Fuel Economy: 22 mpg city, 29 mpg highway
- 2.0-liter turbocharged four-cylinder engine:
- Power: 227 horsepower
- Torque: 221 lb-ft
- Fuel Economy: 19 mpg city, 25 mpg highway
Handling and Driving Dynamics
The 2004 Subaru Impreza was known for its agile handling and responsive steering. Its well-tuned suspension provided a good balance between comfort and sportiness. The Impreza’s low center of gravity and balanced weight distribution contributed to its predictable handling characteristics.The Impreza’s handling was particularly impressive in corners, where it exhibited minimal body roll and maintained a strong grip.
This made it a fun and engaging car to drive on winding roads.
All-Wheel Drive System
The 2004 Subaru Impreza featured Subaru’s Symmetrical All-Wheel Drive system, which provided excellent traction and stability in a variety of driving conditions. The system continuously distributed power to all four wheels, ensuring optimal grip and control, especially on slippery surfaces.
The all-wheel drive system significantly enhanced the Impreza’s handling, allowing it to maintain a strong grip and predictable handling even in challenging conditions.
The all-wheel drive system also contributed to the Impreza’s overall performance by improving acceleration and handling. It provided a sense of security and confidence, especially in inclement weather.
Interior and Exterior Design
The 2004 Subaru Impreza offered a practical and functional interior, while its exterior design aimed for a sporty and aggressive look. It was a significant departure from its predecessor, the 2002 model, with notable changes in both interior and exterior design.
Interior Design
The interior of the 2004 Subaru Impreza was designed with functionality in mind. It featured a simple and straightforward dashboard layout with clear instrumentation and controls. The materials used were generally durable and practical, although they might not have been as luxurious as those found in some competitors.
The overall interior design was aimed at providing a comfortable and practical driving experience rather than a luxurious one. The 2004 Subaru Impreza was available in a variety of trim levels, each offering a different level of equipment and features.
Exterior Design
The exterior design of the 2004 Subaru Impreza was characterized by its sporty and aggressive styling. The car featured a low-slung profile, a sharp front end with a prominent grille, and sculpted bodywork. The design incorporated aerodynamic features to improve fuel efficiency and handling.
The overall design was intended to appeal to younger buyers looking for a sporty and practical vehicle.
Comparison with Previous and Subsequent Models
The 2004 Subaru Impreza’s interior and exterior design represented a significant departure from its predecessor, the 2002 model. The 2002 model featured a more rounded and less aggressive exterior design, while the interior was more utilitarian in its layout and materials.
The 2004 model, on the other hand, embraced a more angular and sporty design language. The 2004 model’s exterior design also included aerodynamic features that were absent in the 2002 model. The 2004 Subaru Impreza’s design paved the way for subsequent models, which further refined the sporty and aggressive aesthetic.
The 2008 model, for example, featured a more sophisticated and refined exterior design, while still maintaining the core elements of the 2004 model’s design. The 2008 model also featured a more modern and technologically advanced interior.
Reliability and Maintenance
The 2004 Subaru Impreza is known for its ruggedness and all-wheel-drive capability, but like any vehicle, it requires regular maintenance to ensure optimal performance and longevity. While its reputation for reliability is generally positive, there are certain areas to be mindful of.
Reliability
The 2004 Subaru Impreza has a reputation for reliability, particularly in terms of its engine and drivetrain. However, there are some common issues that owners have reported, which can affect its long-term reliability.
- Head gasket failures:The EJ25 engine, commonly found in the 2004 Impreza, is known for its susceptibility to head gasket failures, especially in high-mileage vehicles. This issue can lead to engine damage if not addressed promptly. Symptoms include coolant leaks, overheating, and white smoke from the exhaust.
- Transmission problems:Some owners have reported issues with the automatic transmission, including slipping, rough shifting, and premature failure. Regular fluid changes and maintenance can help prevent these issues.
- Electrical problems:The 2004 Impreza can experience electrical issues, such as faulty sensors, wiring problems, and alternator failures. These issues can affect various systems, including the engine, lights, and accessories.
- Suspension components:The suspension components, such as struts, shocks, and control arms, can wear out over time, leading to a rough ride and handling problems. Regular inspection and replacement of worn components is crucial for maintaining a safe and comfortable driving experience.
Common Maintenance Issues and Repair Costs
Regular maintenance is essential for keeping the 2004 Subaru Impreza running smoothly and preventing costly repairs. Here are some common maintenance issues and their associated repair costs:
- Oil changes:Oil changes are essential for engine lubrication and performance. The recommended interval for oil changes is typically every 3,000 to 5,000 miles or every 3 to 6 months, depending on driving conditions. The cost of an oil change can range from $30 to $80, depending on the type of oil used and the labor costs.
- Air filter replacement:A dirty air filter can restrict airflow to the engine, reducing performance and fuel efficiency. The recommended interval for air filter replacement is every 12,000 to 15,000 miles. The cost of an air filter replacement can range from $10 to $30.
The 2004 Subaru Impreza, known for its rally-inspired performance and all-wheel drive capabilities, paved the way for a new generation of Subaru vehicles. While the Impreza focused on sporty handling, Subaru also offered a more practical option with the 2009 Subaru Forester , which provided a spacious cabin and versatile cargo space.
Both models, however, shared Subaru’s commitment to safety and reliability, making them popular choices for drivers seeking a balance of performance and practicality.
- Spark plug replacement:Spark plugs are responsible for igniting the fuel-air mixture in the engine. The recommended interval for spark plug replacement is every 30,000 to 100,000 miles, depending on the type of spark plugs used. The cost of spark plug replacement can range from $50 to $200, depending on the number of spark plugs and labor costs.
- Timing belt replacement:The timing belt is responsible for synchronizing the engine’s valves and pistons. It is recommended to replace the timing belt every 60,000 to 100,000 miles, depending on the model and engine. Failure of the timing belt can cause severe engine damage.
The cost of a timing belt replacement can range from $400 to $800, depending on the labor costs.
Tips for Maintaining the 2004 Subaru Impreza
Here are some tips for maintaining the 2004 Subaru Impreza in optimal condition:
- Follow the recommended maintenance schedule:Refer to the owner’s manual for the recommended maintenance schedule and follow it diligently. This will help ensure that all essential services are performed at the appropriate intervals.
- Use high-quality fluids and parts:Using high-quality engine oil, coolant, and other fluids can help extend the life of your vehicle. Similarly, using genuine Subaru parts or high-quality aftermarket parts can help ensure optimal performance and reliability.
- Inspect regularly:Regularly inspect your vehicle for any signs of wear and tear, such as leaks, loose components, or unusual noises. Addressing these issues early can prevent them from becoming major problems.
- Get regular professional inspections:Schedule regular professional inspections, such as oil changes, tire rotations, and brake inspections, to ensure that your vehicle is in good working order.
- Keep up with repairs:Address any repair needs promptly to prevent minor issues from escalating into major problems. This can help save you money in the long run.
Safety Features
The 2004 Subaru Impreza was known for its robust construction and standard safety features, aiming to provide occupants with a secure driving experience. While it might not have the advanced driver assistance systems found in modern vehicles, it offered a solid foundation for safety in its time.
Crash Test Ratings and Safety Technology
The 2004 Subaru Impreza received a four-star overall safety rating from the National Highway Traffic Safety Administration (NHTSA), which was considered good for its time. It also achieved a “Good” rating in the frontal offset crash test and a “Acceptable” rating in the side impact test.
The Impreza was equipped with standard safety features, including:
- Dual front airbags
- Front side airbags
- Anti-lock brakes (ABS)
- Electronic brakeforce distribution (EBD)
- Three-point seatbelts for all seating positions
- Child safety locks
Comparison with Competitors
When comparing the 2004 Subaru Impreza’s safety features to its competitors, it was considered a safe option, especially in the compact car segment. Some rivals, like the Honda Civic, offered similar safety features, while others, like the Toyota Corolla, might have had additional features like traction control or stability control.
Regular Maintenance and Safety Inspections
Regular maintenance and safety inspections are crucial for any vehicle, especially for older models like the 2004 Subaru Impreza. These inspections can help identify and address potential safety issues before they become serious problems.
- Brake system inspection: Inspecting brake pads, rotors, calipers, and fluid levels is essential to ensure proper braking function.
- Tire condition and pressure: Checking tire tread depth and inflation levels is crucial for maintaining optimal traction and handling.
- Suspension and steering components: Inspecting suspension components, steering linkage, and tie rods helps ensure vehicle stability and control.
- Lighting system: Ensuring headlights, taillights, and turn signals are working properly enhances visibility and road safety.
- Airbag system: Regular inspection of the airbag system, including the control module and sensors, ensures its proper functionality in case of an accident.
Fuel Economy and Environmental Impact
The 2004 Subaru Impreza was known for its practicality and versatility, but its fuel economy and environmental impact were also important considerations for potential buyers. This section delves into the fuel economy ratings of the 2004 Subaru Impreza and analyzes its environmental impact, comparing it to its competitors.
Fuel Economy Ratings
The 2004 Subaru Impreza offered a range of engine options, each with its own fuel economy rating.
- The 2.5i models, equipped with a 2.5-liter four-cylinder engine, achieved an EPA-estimated fuel economy of 21 mpg city, 27 mpg highway, and 23 mpg combined.
- The WRX models, powered by a 2.0-liter turbocharged four-cylinder engine, delivered an EPA-estimated fuel economy of 19 mpg city, 25 mpg highway, and 21 mpg combined.
- The 2.5i wagon models, featuring a 2.5-liter four-cylinder engine, achieved an EPA-estimated fuel economy of 20 mpg city, 26 mpg highway, and 22 mpg combined.
- The WRX wagon models, powered by a 2.0-liter turbocharged four-cylinder engine, delivered an EPA-estimated fuel economy of 18 mpg city, 24 mpg highway, and 20 mpg combined.
Environmental Impact
The environmental impact of the 2004 Subaru Impreza was primarily influenced by its fuel efficiency and emissions. While the Impreza was not known for its exceptional fuel economy, its relatively low emissions compared to some competitors made it a more environmentally friendly choice.
Comparison to Competitors
When compared to its competitors in the compact car segment, the 2004 Subaru Impreza’s fuel economy and environmental impact were generally on par with the average. For example, the Honda Civic and Toyota Corolla offered slightly better fuel economy, while the Mazda3 and Ford Focus were comparable.
However, the Impreza’s all-wheel-drive system, which provided superior handling and traction in adverse weather conditions, was a significant advantage over its front-wheel-drive competitors.
Resale Value and Ownership Costs
The 2004 Subaru Impreza, known for its reliability and all-wheel drive capability, holds a respectable resale value in the used car market. However, several factors influence its resale value, making it crucial to understand these aspects to determine a fair price for both buyers and sellers.
Resale Value Trends
The resale value of a 2004 Subaru Impreza is influenced by various factors, including its condition, mileage, and trim level. According to Kelley Blue Book, the average trade-in value for a 2004 Subaru Impreza in good condition with an average mileage of 100,000 miles ranges from $2,000 to $4,000.
This value can fluctuate based on regional demand, vehicle history, and market trends.
Factors Affecting Resale Value
- Condition:A well-maintained 2004 Subaru Impreza with a clean history and minimal wear and tear will command a higher resale value. Conversely, a vehicle with significant damage, neglect, or modifications may see a substantial decrease in its value.
- Mileage:Lower mileage vehicles generally retain higher resale value. A 2004 Subaru Impreza with under 100,000 miles is likely to fetch a better price than one with significantly higher mileage.
- Trim Level:Higher trim levels, such as the WRX or WRX STI, often command a premium due to their performance upgrades and features. The base model Impreza typically has a lower resale value.
- Market Demand:The popularity and demand for specific models or trim levels can influence their resale value. For example, the WRX and WRX STI models, known for their performance and cult following, may have higher resale values compared to the base model.
- Vehicle History:A clean vehicle history report, free of accidents or major repairs, is essential for maximizing resale value. Buyers often prefer vehicles with a documented history, ensuring transparency and peace of mind.
Ownership Costs
Owning a 2004 Subaru Impreza comes with associated costs, including insurance, maintenance, and fuel.
Insurance
Insurance premiums for a 2004 Subaru Impreza vary based on factors such as location, driving history, and coverage options. However, as a generally reliable and safe vehicle, insurance costs are typically moderate compared to other performance-oriented cars.
Maintenance
Regular maintenance is crucial for preserving the longevity and resale value of a 2004 Subaru Impreza. Common maintenance items include oil changes, brake pad replacements, and tire rotations. Subaru Imprezas are generally known for their reliability, but routine maintenance is essential to prevent costly repairs.
Fuel Economy
The 2004 Subaru Impreza offers decent fuel economy for its class. The base model with a 2.5-liter engine achieves an estimated fuel economy of 21 mpg city and 28 mpg highway. However, performance-oriented models like the WRX and WRX STI have lower fuel economy due to their powerful engines.
Popular Modifications and Customization: 2004 Subaru Impreza
The 2004 Subaru Impreza, known for its sporty handling and all-wheel drive capability, has attracted a loyal following of enthusiasts who enjoy customizing their cars. This section will explore common modifications and customization options available for the 2004 Impreza, discussing their benefits and drawbacks.
We’ll also look at some examples of well-executed modifications.
Performance Upgrades
Performance upgrades are a popular choice for Impreza owners who want to enhance the car’s driving experience. These modifications can improve acceleration, handling, and braking.
The 2004 Subaru Impreza, known for its rally-inspired performance, was a popular choice among enthusiasts. While the Impreza focused on sportiness, Subaru also offered the more family-oriented Legacy, like the 1997 Subaru Legacy , which prioritized comfort and practicality. Both models shared Subaru’s signature all-wheel drive system, making them capable in various weather conditions.
The 2004 Impreza, however, stood out with its aggressive styling and powerful engine options, catering to a different segment of drivers.
- Engine Modifications:Boosting horsepower and torque is a common goal for performance enthusiasts. This can be achieved through various methods, such as installing a turbocharger, upgrading the exhaust system, or modifying the engine control unit (ECU).
- Turbocharger Installation:Installing a turbocharger is a popular modification that can significantly increase horsepower and torque.
A turbocharger uses exhaust gases to spin a turbine, which in turn compresses air entering the engine, resulting in more power. Turbochargers can be expensive to install and require careful tuning to ensure optimal performance and reliability.
- Exhaust System Upgrade:Replacing the stock exhaust system with a high-flow system can improve engine breathing and reduce backpressure, resulting in increased horsepower and a sportier exhaust note. A high-flow exhaust system typically uses larger diameter pipes and less restrictive mufflers, allowing exhaust gases to flow more freely.
- ECU Tuning:Modifying the engine control unit (ECU) can optimize engine performance by adjusting parameters such as ignition timing, fuel delivery, and boost pressure. ECU tuning can be done through various methods, including using a handheld tuner or sending the ECU to a specialist for custom tuning.
- Turbocharger Installation:Installing a turbocharger is a popular modification that can significantly increase horsepower and torque.
- Suspension Upgrades:Improving the suspension can enhance handling and ride quality. Popular suspension upgrades include:
- Coilovers:Coilovers are adjustable suspension systems that allow for precise tuning of ride height, spring rate, and damping. They offer a significant improvement in handling and control, but can be expensive to install.
- Sway Bars:Sway bars, also known as anti-roll bars, help reduce body roll in corners. Upgrading to thicker sway bars can improve handling and responsiveness.
- Bushings:Bushings are rubber components that connect suspension components to the chassis. Replacing worn-out bushings with polyurethane or other high-performance materials can improve handling and reduce noise.
- Braking System Upgrades:Upgrading the braking system can improve stopping power and fade resistance. This can be achieved through various methods, such as:
- Larger Rotors:Larger rotors provide more surface area for the brake pads to work on, resulting in increased braking power.
- High-Performance Pads:High-performance brake pads offer better stopping power and fade resistance compared to stock pads.
- High-Performance Brake Fluid:High-performance brake fluid has a higher boiling point, which helps prevent brake fade under heavy braking conditions.
Cosmetic Enhancements
Cosmetic modifications are a great way to personalize the Impreza and give it a unique look. Popular cosmetic modifications include:
- Wheels and Tires:Upgrading to larger wheels and tires can improve the car’s stance and handling. There are many different wheel and tire combinations available, allowing for a wide range of customization options.
- Wheel Size and Offset:The size and offset of the wheels can affect the car’s stance and handling.
Larger wheels typically improve handling but can reduce ride comfort. Offset refers to the distance between the center of the wheel and the mounting surface. A more aggressive offset can give the car a wider stance.
- Tire Size and Type:The size and type of tires can also affect the car’s handling and performance. Wider tires provide more grip but can increase rolling resistance. Different tire types, such as summer tires, all-season tires, and winter tires, offer varying levels of performance in different conditions.
- Wheel Size and Offset:The size and offset of the wheels can affect the car’s stance and handling.
- Body Kit:A body kit can add a more aggressive look to the Impreza. Body kits typically include components such as front and rear bumpers, side skirts, and spoilers. Body kits can be made from various materials, including fiberglass, polyurethane, and carbon fiber.
- Paint and Graphics:A fresh coat of paint or custom graphics can give the Impreza a unique look. There are many different paint and graphics options available, allowing for a wide range of customization.
- Lighting Upgrades:Upgrading the headlights, taillights, and fog lights can improve visibility and add a more aggressive look. There are many different aftermarket lighting options available, including LED headlights, HID headlights, and custom taillights.
Interior Upgrades, 2004 Subaru Impreza
Interior upgrades can enhance the comfort and functionality of the Impreza. Popular interior modifications include:
- Seating Upgrades:Replacing the stock seats with aftermarket performance seats can improve comfort and support. Performance seats typically offer better bolstering, adjustability, and ventilation.
- Audio System Upgrades:Upgrading the audio system can improve sound quality and add features such as navigation and Bluetooth connectivity. There are many different aftermarket audio system options available, ranging from basic upgrades to high-end systems.
- Interior Trim:Replacing the stock interior trim with carbon fiber, wood, or other materials can add a touch of luxury and personalization.
Cultural Impact and Legacy
The 2004 Subaru Impreza, a symbol of performance and reliability, left an indelible mark on both popular culture and the automotive industry. Its legacy continues to inspire enthusiasts and influence automotive design, solidifying its place in Subaru’s history.
Cultural Impact
The 2004 Subaru Impreza’s impact on popular culture was undeniable. It gained widespread recognition through its association with motorsports, particularly rallying. The Impreza’s success in the World Rally Championship (WRC) catapulted it into the spotlight, making it a coveted car for performance enthusiasts worldwide.
The car’s aggressive styling, powerful engine, and exceptional handling capabilities made it a favorite among rally drivers and fans alike. The Impreza’s association with rally racing also influenced its image in popular culture. It became synonymous with speed, agility, and a rebellious spirit, appealing to a younger audience who sought a car that stood out from the crowd.
Its presence in video games, movies, and television shows further cemented its status as a cultural icon.
End of Discussion
The 2004 Subaru Impreza, with its blend of performance, practicality, and reliability, left an enduring mark on the automotive landscape. Its enduring legacy is a testament to its versatility and ability to cater to a wide range of drivers.
Whether you’re seeking a dependable daily driver, a weekend adventurer, or a spirited performance car, the 2004 Impreza offers a compelling proposition. Its enduring popularity, coupled with its timeless design and robust engineering, ensures that the 2004 Impreza will continue to captivate automotive enthusiasts for years to come.