What's up, car enthusiasts! Today, we're diving deep into a legend, a car that defined a generation of rally-inspired performance: the 2004 Subaru Impreza WRX STI Sedan. If you're a fan of turbocharged engines, all-wheel-drive grip, and that unmistakable Subaru rumble, then buckle up. This isn't just a car; it's a piece of automotive history that continues to captivate, whether you're looking to buy one, restore one, or just reminisce about its glory days. We'll explore what made this sedan so special, its key features, and why it remains a sought-after machine for enthusiasts around the globe. Get ready to feel the thrill of the STI!

The Heart of the Beast: Engine and Performance

Let's talk about the powerhouse that made the 2004 Subaru Impreza WRX STI Sedan a true performance icon: its legendary engine. At its core lies the EJ257, a 2.5-liter turbocharged and intercooled flat-four boxer engine. Now, Subaru has always been famous for its boxer engines, and this one was a masterpiece. It produced a stout 300 horsepower and 300 lb-ft of torque right out of the box. This wasn't just about big numbers; it was about how that power was delivered. The turbocharger, a large twin-scroll unit, provided a healthy dose of boost, pushing you back into your seat with that exhilarating surge of acceleration. When the turbo spooled up, you knew it. It offered a distinct turbo lag followed by a massive hit of power, a characteristic that many enthusiasts loved and found addictive. This raw, unadulterated power delivery was a key part of the STI's raw, visceral driving experience. Paired with Subaru's signature Symmetrical All-Wheel Drive (AWD) system and a 6-speed manual transmission, the STI offered unparalleled traction and control. The AWD system, with its Driver Controlled Center Differential (DCDD), allowed the driver to manually adjust the torque split between the front and rear wheels, giving you the confidence to tackle corners at speed and maintain grip in less-than-ideal conditions. The 6-speed manual gearbox was precise and engaging, allowing for quick shifts that kept the engine in its sweet spot. This combination of a potent engine, advanced AWD, and a manual transmission created a driving dynamic that was both thrilling and incredibly capable. It wasn't just fast in a straight line; it excelled in twisty roads and rally stages, earning its legendary status.

Drivetrain and Handling Dynamics

When discussing the 2004 Subaru Impreza WRX STI Sedan, we absolutely must talk about its legendary drivetrain and how it translates into phenomenal handling. Subaru's Symmetrical All-Wheel Drive (AWD) system is the star of the show here. Unlike many AWD systems that are primarily front-wheel drive with rear wheels engaging when slip is detected, Subaru's system is designed to be inherently AWD. This means power is always being sent to all four wheels, providing a stable and predictable platform. The magic for the STI, however, was the introduction of the Driver Controlled Center Differential (DCDD). This system allowed drivers to manually adjust the center differential's locking and torque-splitting characteristics via a dial on the center console. You could choose between different modes, such as Auto, Snow/Gravel, and a more aggressive front-biased or rear-biased setting. This level of driver control over the drivetrain was a game-changer, especially for spirited driving and track use. It allowed drivers to fine-tune the car's handling balance to suit their driving style and the conditions. Combined with a specially tuned suspension featuring inverted front struts and a robust chassis, the STI handled like it was glued to the road. The steering was sharp and communicative, providing excellent feedback about what the front tires were doing. Despite its sedan body, the STI felt remarkably agile and planted. The potent brakes, often Brembo units, provided strong stopping power, essential for controlling the momentum generated by the turbocharged engine. The car's ability to put down its power effectively, regardless of cornering G-forces or road surface, made it a formidable machine on both the street and the track. It offered a confidence-inspiring drive that encouraged you to push the limits, making every drive an adventure.

The Iconic Design: Inside and Out

The 2004 Subaru Impreza WRX STI Sedan wasn't just about performance; it had a look that screamed performance, too. This generation, the 'Blobeye' as it's affectionately known by enthusiasts, marked a significant styling evolution. The front end featured a more aggressive, angular design with larger headlights and a prominent grille. The iconic hood scoop wasn't just for show; it was functional, directing cool air to the intercooler, a crucial component for a turbocharged engine. The flared fenders gave the sedan a wider, more muscular stance, hinting at the performance potential lurking beneath the surface. And, of course, there was the rear wing. While some debated its necessity on the sedan, it was a clear visual cue that this wasn't your average family car. It added to the rally-bred aesthetic and was a signature element of the STI. Moving inside, the cabin was a blend of sporty functionality and practical sedan space. The seats were often supportive bucket seats, designed to hold you in place during spirited driving. The dashboard featured a driver-focused layout with clear, legible gauges, including a prominent tachometer and boost gauge, reminding you of the turbocharger's presence. While the materials might not have been luxury-grade by today's standards, the focus was on function and a no-nonsense performance feel. You had the practicality of a sedan – seating for five and a usable trunk – combined with the thrilling performance of an STI. This duality made it a versatile choice for those who wanted a car that could perform on weekends and still handle daily duties. The overall design language communicated aggression, purpose, and a direct link to Subaru's rally racing heritage, making it instantly recognizable and desirable.

Interior Comforts and Practicality

While the 2004 Subaru Impreza WRX STI Sedan is celebrated for its outright performance, let's not forget that it's still a sedan, meaning it has a degree of practicality that often eludes pure sports cars. The interior, while perhaps not dripping with luxury materials by modern standards, was designed with the driver and passengers in mind. The front seats were typically supportive sport seats, often with WRX or STI badging, providing good bolstering to keep occupants planted during aggressive cornering. These seats offered a good balance between comfort for longer journeys and support when the going got twisty. The rear seating area offered reasonable space for two adults, with a third passenger potentially fitting in the middle for shorter trips. For a compact performance sedan, the rear legroom and headroom were generally considered adequate. The dashboard layout was driver-centric, featuring clear and easy-to-read analog gauges, including a prominent tachometer and speedometer, along with vital information like fuel level and engine temperature. A boost gauge was often integrated, serving as a constant reminder of the car's turbocharged nature. The center console housed the controls for the climate system and the audio system, which, while perhaps basic by today's standards, were functional. One of the key practical advantages of the sedan body style was the trunk. It offered a decent amount of cargo space, suitable for grocery runs, luggage for a weekend getaway, or even carrying gear for a track day. The split-folding rear seats further enhanced versatility, allowing longer items to be carried if needed. Unlike many purpose-built sports cars that compromise heavily on comfort and utility, the 2004 STI sedan offered a compelling package that could be enjoyed daily. It was a car that could be taken to a track event on Saturday and used for the school run on Monday, a rare feat that contributed to its broad appeal among automotive enthusiasts who needed a daily driver that didn't sacrifice thrills.

Why the 2004 STI Remains a Modern Classic

The 2004 Subaru Impreza WRX STI Sedan isn't just another used car; it's a modern classic for several compelling reasons. Firstly, its performance credentials are undeniable. The combination of the potent EJ257 engine, the sophisticated Symmetrical AWD with DCDD, and the razor-sharp handling created a driving experience that was, and still is, exhilarating. It offered a level of driver engagement and all-weather capability that few cars in its class could match. Secondly, its rally heritage is a huge part of its appeal. Subaru's dominance in the World Rally Championship (WRC) with drivers like Colin McRae and Petter Solberg meant that the Impreza STI was intrinsically linked to high-octane, dirt-slinging action. Owning an STI felt like owning a piece of that rally-bred magic. Thirdly, this particular generation, the 'Blobeye' STI, is often seen as hitting a sweet spot. It refined the raw performance of earlier models while still retaining a raw, mechanical feel that has been somewhat diluted in later generations. The styling is aggressive yet purposeful, and the mechanicals are robust and tunable. For enthusiasts looking for a car that offers incredible performance, a direct connection to motorsport, and a unique character, the 2004 STI is a standout choice. Its cult following ensures strong demand, and well-maintained examples are increasingly sought after. It represents a time when performance cars were perhaps a bit more analog, a bit more raw, and incredibly rewarding to drive. It's a car that rewards skillful driving and offers an unmatched sense of connection between the driver, the machine, and the road (or rally stage).

The Enthusiast Community and Aftermarket Support

One of the enduring strengths of the 2004 Subaru Impreza WRX STI Sedan is the incredibly passionate and active enthusiast community that surrounds it. This isn't just a car; it's a lifestyle for many. Owning an STI often means becoming part of a global network of owners who share a love for Subaru's performance heritage. Online forums, social media groups, and local meetups are filled with STI owners eager to share their experiences, tips, and modifications. This strong community ensures that knowledge about maintenance, repairs, and performance tuning is readily available. Furthermore, the aftermarket support for the 2004 STI is simply massive. Because it's such a popular platform for performance tuning, there's an endless array of upgrades available. Whether you're looking for more power from the EJ257 engine – think bigger turbochargers, upgraded fuel systems, and performance exhausts – or you want to enhance the handling with coilovers, sway bars, or chassis bracing, the options are virtually limitless. Even cosmetic modifications are abundant, allowing owners to personalize their STIs to reflect their individual style. This extensive aftermarket support is crucial for keeping these cars on the road and performing at their best, especially for those looking to extract even more performance or restore them to their former glory. It means that finding parts, whether OEM replacements or performance upgrades, is generally not a major challenge. The combination of a dedicated community and robust aftermarket ensures that the 2004 STI can be maintained, improved, and enjoyed for years to come, solidifying its status as a true modern classic.

Final Thoughts: Is the 2004 STI Still Worth It?

So, the big question: is the 2004 Subaru Impreza WRX STI Sedan still a viable option for enthusiasts today? Absolutely, with a few caveats. If you're looking for a modern, refined daily driver with the latest tech and creature comforts, this might not be the car for you. But if you crave raw, analog performance, a connection to motorsport history, and a car that demands your attention and rewards skillful driving, then the 2004 STI is still an exceptional choice. Its turbocharged boxer engine, legendary AWD system, and sharp handling create an intoxicating driving experience that's hard to replicate. The sedan body adds a layer of practicality, making it more versatile than many sports coupes. However, buying one requires due diligence. These cars have often been driven hard, so thorough inspection is crucial. Look for signs of abuse, previous accidents, and ensure the drivetrain and engine are in good health. Maintenance records are a huge plus. If you find a well-cared-for example, you're investing in a piece of automotive legend. The continued enthusiasm for this generation, coupled with its strong performance pedigree and motorsport links, ensures it holds its value and remains a desirable machine. It’s a car that offers thrills, character, and a direct link to the golden era of rally-inspired performance sedans. For the right buyer, the 2004 STI is more than just a car; it's an experience.