While the 6 Series Gran Turismo is arguably not the best-looking four-door coupé, a range of great engines including a fantastic diesel, superb interior quality and masses of interior space make it one of the most usable luxury cars you can buy.get the best price
Trim: M Sport
M Sport models add larger 19in alloy wheels, more aggressive styling and stiffer suspension in the pursuit of a more engaging drive, as well as a panoramic glass sunroof.
Engine: 620d xDrive
We have yet to try this engine in the 6 Series GT, but based on based on our experience of the same engine in the mechanically similar 5 Series, we’re confident that it will be all the engine you’d ever realistically need. However, the smoother 630d is still our pick.