All videos for the BMW 8er-Reihe with driving report, buying advice, long term test and 0-100km/h acceleration test. These facts you should know before you buy or lease the car..This BMW 8er-Reihe G14/G15/G16/F91/F92/F93 840i Gran Coupe M Technik Sportpaket Steptronic costs new 108720 €. From 0 to 100 km/h it accelerates in :car_offers-model-tech_spec-electric_engine-acceleration_0_100 seconds . His top speed is 250 km/h.