Alpina B6 Biturbo Gran Coupe is 198MPH of Stealth

Alpina

Alpina has been customizing BMWs for almost 50 years and its latest offering is a sleeping giant.

With the debut of the BMW Alpina B6 xDrive Gran Coupe at the Geneva Motor Show this week, the North American market has in one fell swoop seen the number of Alpina models on offer doubled. Alpina's two mouthwatering sleeper car propositions are the B7 - the M7 performance sedan BMW will never build - and this new Alpina B6 Gran Coupe that gives the 6 Series Gran Coupe plenty of high-end torque, a monstrous top speed and plenty of stealth.

Packing the same 4.4-liter twin-turbo V8 as the M6, the B6 Gran Coupe is rated at 540 hp (to the M6's 560), and 540 lb-ft of torque (the M6 is good for just 500 lb-ft). An eight-speed automatic sends all that twisting power to all four wheels, which combined with extra traction and gear ratio, enables the Alpina to sprint from 0-60 mph in 3.7 seconds – a good half second quicker than the M6 GC – and hit an unrestricted top speed of 198 mph. Exterior mods include front and trunk-mounted spoilers, a rear diffuser, 20-inch alloys, and a stainless-steel exhaust. Customers can choose between Alpina Blue or Green.

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A beautifully appointed interior is swathed in high-end leather sourced from the same company Rolls-Royce uses, along with custom gauges and stunning frameless windows. Alpina wants $118,225 for the B6 Gran Coupe, which is just a few grand more than BMW asks for the M6 GC. If you missed it in Geneva, head to the New York Auto Show next month, after which Alpina will open up its order books for the B6 Gran Coupe.

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