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The predecessor to the Alpina B8, which is currently one of the most expensive sedans bearing the BMW or Alpina badge, was the B6. Sold as a performance-oriented version of the BMW 6 Series (F12), it is a large four-door coupe sedan with a stylish exterior and a powerful 4.4-liter twin-turbo V8 engine. But in the early 1990s, Alpina had a very different car with the same name.
The B6 2.8 was essentially a more hardcore version of the 3 Series (E36), which debuted during the 1991 Geneva Motor Show. It was based on the BMW 325i and powered by a modified 2.8-liter inline-six engine. Specialists from Buchloe installed a new camshaft, Mahle pistons and a performance exhaust system. The result was a more powerful and faster Series 3 before the M3 (E36) arrived at the end of the decade.
Thanks to some other adjustments made to the engine, it was upgraded to produce a peak output of 240 horsepower and 293 Newton-meters of torque – very respectable numbers for a compact sedan even by today’s standards. Power is sent to the rear wheels via a five-speed manual gearbox and there’s also an optional five-speed automatic. Larger, better ventilated discs at the front provide stopping power.
But how fast is the 1992 Alpina B6 2.8 actually? There’s a new video from Number One Gasoline active channel Youtube, which brings us to the seamless Autobahn section behind the wheel of the B6 2.8. The car feels very alive on the highway for its age and easily reaches speeds above 124 miles per hour (200 kilometers per hour). The speedometer even shows 155 mph (250 kph) but the registered GPS-verified maximum speed is around 149 mph (240 kph).
It’s impressive to see that this 30-year-old performance sedan is close to achieving its factory performance figures. The claimed top speed is 155 mph (250 kph) and the sprint from 0 to 62 mph (0-100 kph) is 6.9 seconds. It’s also important to note that this is a relatively rare car as Alpina only assembled 180 sedans and 40 coupes from the B6 2.8 before being replaced by the more powerful B6 3.0.
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