Subaru WRX STi Type-UK

 

305 PS Prodrive-Developed Performance Pack For Impreza STi

Published 8 October 2002 Melanie Carter

Subaru’s iconic Impreza WRX STi can now be fitted with a 305 PS performance pack giving a 155 mph top speed and 0-60 mph time of only 4.6 seconds.

Developed by Banbury-based Prodrive, the power boost costs £1,995 including 2.5 hours for dealer fitment. Initial supplies begin during October 2002, following extensive durability tests.

Not only does power leap from 265 PS (261.5 bhp) to 305 PS (300 bhp) at the same 6,000 rpm but torque rises from the standard STi’s 253 lb ft to 299 lb ft, also at the same 4,000 rpm.

The result is not only startling high-rev performance but also more low and mid-speed flexibility. In other words, the car becomes swifter at any speed and in any gear.

Side-by-side tests revealed a 0-60 mph time down from 5.2 seconds to 4.6 seconds and a 0-100 mph figure of 12.2 seconds instead of 13.7 seconds. Quarter mile figures are now 104.7 mph/13.4 seconds instead of 101.4 mph/14 seconds.

The 30-50 mph time in 4th gear drops from a still impressive 5.6 seconds to 4.4 seconds while the 50-70 mph time in 5th is now 4.9 seconds instead of 6.1 seconds. Further up the speed scale, the 80-100 mph time in 6th gear is covered in 6.5 seconds rather than 7.8 seconds.

The performance pack produces more pulling power between 3,000 rpm and 5,800 rpm than the standard STi has at its peak, while at 2,500 rpm, the car has almost 30 per cent more torque.

The pack – which carries Subaru’s full three year/60,000 mile warranty – comprises a revised engine control unit (ECU), high-flow catalyst and sports silencer.

Since launch in January 2002, the ‘Type-UK’ WRX STi and STi Prodrive Style have been a tremendous success, accounting for more than 30 per cent of Impreza sales. All 750 Prodrive Style models are sold and order books are still strong for the standard STi which costs £25,995 on-the-road.

Key features of the Impreza WRX STi ‘Type-UK’ are inverted suspension struts, Brembo brakes, a new six-speed gearbox, front and rear ‘Suretrak’ limited-slip differentials, a faster steering rack, larger wheels and tyres and a standard satellite anti-theft tracking system.

Meanwhile, the standard Impreza WRX continues to be available with the popular Prodrive WR Sport performance pack which costs £1,600 including fitting. This boosts power from 218 PS to 245 PS and torque from 215.4 lb ft to 261 lb ft.

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