Supercharged high-performance Cadillac saloon has its flaws, but you'll be having too much fun to careThis is the most powerful production*Cadillac*to date. It packs a 640bhp supercharged V8, is claimed to be capable of 0-62mph in 3.7sec and can knock on the door of 200mph.Cadillac's done more than just shoehorn a stonking engine into an unassuming saloon and leave it at that, however. Compared with the standard CTS, the high-performance CTS-V benefits from a significant reworking. Performance-focused upgrades include a stiffer structure, wider front and rear tracks, recalibrated steering, substantial Brembo brakes and bespoke Michelin tyres. An eight-speed paddle-shifted automatic channels drive to the rear, while a standard-fit electronically controlled LSD distributes torque between the wheels.At a shade over £75,000, however, the CTS-V faces some stiff competition. For similar money, you could have a BMW M5 or a Mercedes-AMG E63*- and letís not forget the other GM-forged sledgehammer: the £53,000*Vauxhall VXR8 GTS.

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