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Retro: 1998 Subaru Impreza WRX STI 22B

By Michael Stahl, 29 Jul 2018 Classic Wheels

Retro: 1998 Subaru Impreza WRX STI 22B

The most prized expression of the supercar-baiting turbo all-paw four

“Forget tail-wagging wheelspin, axle tramp, induction roar, flailing fists, masses of metal being torn from rest,” I wrote in 1993, of the just-launched Subaru Impreza WRX. “This apparently innocent sedan, built to carry Subaru’s future hopes in world championship rallying, might just be the car to define high performance 1990s-style."

In terms of rallying, I guess I was right: of the 10 WRC drivers’ championships from 1990-99, all but one were won in Japanese four-cylinder turbo 4WD cars. Okay, the WRX accounted for just one of those (Colin McRae, 1995), punctuating the reigns of Toyota’s Celica and Mitsubishi’s Lancer – but in the WRC manufacturers’ title, Subaru claimed three on the trot (1995-97).

Read next: 2018 Subaru WRX STI: Hot Hatch Megatest 9th

In this, Subaru was aided by its STi (Subaru Tecnica International) competition department and British-based Prodrive, with which it had collaborated in rallying since 1989 with the all-wheel-drive Legacy, and subsequently the compact Impreza WRX since 1993.

In celebration of its title hat-trick, and to better represent the new-for-’97 World Rally Car regs allowing greater freedoms than the outgoing Group A, STi took direct inspiration from the sexy coupe-bodied ‘WRC 97’ works machine and packed a road-or-rally customer version with a hand-assembled, enlarged 2.2-litre turbo flat-four, and a catalogue of trick homologation parts.

British designer Peter Stevens had penned the WRC 97 competition machine’s bulging, 80mm-wider body and unique aero package that included a tall, adjustable rear wing. Starting with the production coupe shell (STi Type R, introduced in 1997), both these elements would make it to the new, limited-production model, formally known as the Impreza WRX Type R STi 22B.

STi began its production run of just 400 domestic-market 22Bs at its Osawa, Tokyo plant in March 1998. The allocation had been sold out in less than 48 hours (some say in one hour). Urging from foreign quarters, not least Australia, teased out a further 25 cars: 16 for the UK, five for Australia, and three ‘000’-numbered prototypes, bound for special customers (see Fast & Factual). Production wrapped in August 1998.

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All 425 cars were finished with gold-painted wheels and the familiar metallic Sonic Blue. A number of the cars were destined for competition, allowing those owners to chase their ’97 works heroes McRae, Kenneth Eriksson and Piero Liatti. And the rest – including wide-eyed journalists – got to marvel at supercar-beating point-to-point performance, and a truly iconic expression of the turbo all-paw four.

Flat feat

The 2212cc EJ22G engine, a parts-bin peculiarity to the 22B, had a closed-deck block with stock WRX rods, forged pistons and EJ20K heads with sodium-filled valves. Turbo was a single IHI VF23, though a larger, laggier VF22 was optional. Official outputs were 206kW and 360Nm, via a (disappointing) five-speed ’box, twin-plate clutch and driver-variable torque split. Zero to 0-100km/h took 4.7 seconds.

Three-door’s down

The STi coupe body was 10kg lighter than sedan, hatch, but 22B’s bulged guards (on 20/40mm wider front/rear tracks) and aero package brought kerb weight to 1270kg. Nozzles in bonnet scoop sprayed mist over the intercooler. Down under were a quicker steering rack, Eibach springs, Bilstein dampers and 17-inch BBS wheels, covering ABS-less discs with STi calipers.

Strip show

The STi 22B might have cost $125K in Australia (near BMW M3 money) but it had few luxury aspirations. The coupe cockpit is surprisingly spacious, the (unbranded) blue Alcantara-insert bucket seats supremely grippy, but subtleties like CD player, air-con and airbags were absent, in favour of toys like console-mounted DCCD (driver controlled centre differential) dial and intercooler spray switch. Each car had a numbered plaque below the ashtray.