The BMW 850i is a sporty, luxury grand-tourer (GT) model from BMW's 8 Series range. The 850i was initially released in 1990, and was in production until 1999. It has a 5.0 liter V12 engine and is equipped with rear-wheel drive, four-wheel steering and a six-speed manual transmission. It was the most powerful of all the 8 Series models and was capable of reaching a top speed of 155.3 mph (249.9 km/h).