Subaru Impreza WRX STI – The Rally Legend That Dominated the WRC

The Subaru Impreza WRX STI wasn’t designed to chase trends.
It was built to win rallies.

Born from Subaru’s World Rally Championship ambitions in the 1990s, the STI became one of the most respected performance cars ever created — combining turbocharged power, all-wheel-drive grip, and genuine motorsport engineering into a package ordinary enthusiasts could actually buy.

Few cars have ever connected road and rally quite so perfectly.

History & Legacy

Subaru originally entered the World Rally Championship using the larger Legacy platform, but it quickly became clear they needed something smaller, lighter, and more agile.

That car became the:

Subaru Impreza.

The road-going WRX STI was developed directly from Subaru’s rally programme, bringing race-proven technology onto public roads in a way few manufacturers dared attempt.

This wasn’t a styling exercise with stickers and spoilers.

The STI was the real thing.

The EJ20 Boxer Engine

At the heart of the early STI models sat the legendary:

EJ20 turbocharged flat-four.

Unlike conventional inline engines, Subaru’s horizontally-opposed “boxer” layout kept weight lower in the chassis, improving balance and lowering the centre of gravity.

The result?

• Better stability
• Sharper turn-in
• Outstanding traction
• Incredible confidence in poor weather conditions

Then there’s the soundtrack.

Thanks to unequal-length exhaust headers, the EJ20 produced the unmistakable:

Subaru boxer rumble.

A sound so iconic that car enthusiasts can identify it from half a mile away — usually before the giant rear wing comes into view.

Symmetrical AWD – Subaru’s Secret Weapon

While many rivals adapted front-wheel-drive platforms into AWD systems, Subaru designed the Impreza around all-wheel drive from the very beginning.

Its Symmetrical AWD system became one of the car’s defining strengths:

• Balanced power delivery
• Exceptional grip
• Predictable handling
• Rally-ready durability

Higher-spec STI models even featured:

DCCD (Driver Controlled Centre Differential)

This allowed drivers to manually adjust front-to-rear torque split — technology lifted almost directly from Subaru’s WRC cars.

For the 1990s, it was seriously advanced hardware.

GC8 – The Purest STI

Among enthusiasts, one generation stands above the rest:

GC8 STI (1994–2000)

Lightweight, mechanical, and completely unfiltered, the GC8 delivered one of the rawest driving experiences ever offered in a production AWD car.

No excessive electronics.
No artificial driving modes.
Just boost, grip, and commitment.

Its aggressive styling — bonnet scoop, gold wheels, massive wing — became instantly iconic.

The Legendary 22B STI

If the GC8 is Subaru royalty, the:

Subaru 22B STI

…is the crown jewel.

Subaru Impreza 22B STI

Built to celebrate Subaru’s WRC success, the 22B featured:

• Widebody arches
• Bilstein suspension
• Increased displacement
• Bespoke styling
• Limited production run of just 400 units

Today, the 22B is one of the most valuable Japanese performance cars ever made, with pristine examples selling comfortably into six-figure territory.

Basically, the “I’ll buy one later” plan aged about as well as unprotected rear arches in a British winter.

WRC Dominance & Motorsport Legacy

The Impreza STI became a rally legend thanks to drivers like:

• Colin McRae
• Richard Burns
• Petter Solberg

Subaru secured:

• Three consecutive WRC Manufacturers’ Championships
• Multiple Drivers’ Championships
• One of the most recognisable rally identities in motorsport history

Colin McRae’s 1995 championship cemented both his own legend and the STI’s reputation as a fearless giant-killer capable of humiliating far more expensive machinery.

Subaru vs Evo – The Greatest Rivalry

No discussion about the STI is complete without mentioning its eternal rival:

Mitsubishi Lancer Evolution

The battle between the Subaru Impreza WRX STI and Mitsubishi Lancer Evolution became one of the greatest rivalries in automotive history.

Every new generation pushed both manufacturers harder:

• More grip
• More power
• Smarter AWD systems
• Sharper chassis tuning

Enthusiasts still debate which was better today — usually very loudly.

Collectability & Market Value

Clean STI models are becoming increasingly difficult to find, especially unmodified examples.

Current market trends:

• GC8 values continue climbing
• UK-import JDM cars highly sought after
• Low-mileage STIs command strong premiums
• 22B models are now elite collector vehicles

What was once an affordable rally hero has become one of the most desirable modern classics of the JDM era.

Final Thoughts

The Subaru Impreza WRX STI represents a golden era of performance cars — when rally technology, raw mechanical feel, and everyday usability collided perfectly.

It wasn’t subtle.
It wasn’t refined.
And that’s exactly why enthusiasts still adore it.

From muddy WRC stages to late-night B-road blasts, the STI earned its reputation the hard way:

Flat out. Sideways. Turbo screaming.