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: 630d xDrive
The 630d is our pick for not only its outright pace, but also the way it pulls hard from low revs. It has a really flexible, effortless feel in everyday use. In addition, it’s right up there as one of the smoothest and quietest diesels in the class.