After a slow sales first few months for the BMW 5-series GT crossover, BMW executives admit they may have missed the model mix. At launch, the 550 GT was available only with rear-wheel drive and a V-8
At launch, the 550 GT was available only with rear-wheel drive and a V-8 engine. That will change with the introduction of an all-wheel-drive model in June and a six-cylinder engine in the fall.