Derived from last year’s Astra Cup race car that competed in the Nürburgring Endurance Championship, the EXTREME is Astra VXR’s lighter, more powerful street-legal race sibling.
With direct injection and variable camshaft phasing, the EXTREME’s 2.0-litre turbo petrol engine is the most powerful four-cylinder unit Vauxhall has ever produced. The all-aluminium engine is mated to six-speed manual gearbox transmitting power through a limited-slip differential.
100kg lighter than a standard Astra VXR, thanks to its high-quality, carbon fibre components, this high-strength, ultra-light material is used for the aerodynamically-optimised model. Noticeably lowering the EXTREME’s centre of gravity is the in-house manufactured carbon fibre roof which weighs just 2.6kg, compared with a steel roof’s 9.3kg.
Vauxhall has also given the EXTREME exceptional stopping power to match, with a Brembo six-piston brake system including 370mm diameter discs up front race car. Ultra high-performance, 245/35, 19-inch tyres, specially developed for the EXTREME, also play a key role and give almost as much grip as those on the race car.
The EXTREME’s natural environment will be the race track. If public reaction is as positive as expected, Vauxhall plans a low-volume production run.