確定是中國特有的加長型3系列底盤資料來源:http://www.autoguide.com/manufacturer/bmw/2014-bmw-3-series-gt-review-2550.htmlMore importantly, its wheelbase is around 4.3-inches longer than its more traditional siblings. In fact, the GT shares the same extended platform found under the stretched 3 Series limousine made exclusively for China.