The 428i GC’s test out sheet states as good as replicate of the coupe’s. Together with similar gearing in addition to putting on exactly the same staggered 18-inch Bridgestone Potenza S001 run-flat all season tires, the GC running the ¼-mile in 14.2 seconds on 98 Miles per hour, merely a 10th of a second and 1 MiH behind the coupe. A 162-foot stop from seventy MiH trim away 2 ft from the coupe’s overall performance. skidpan grip has been exactly the same at 0.89 g.
This cars abuse no more change on the highway. The moment you have picked a sport driving mode in order to stiffen up a adaptive dampers as part of the $1000 Dynamic Handling package deal upon our test automobile, this GC shows the platform’s customary attribute: a satisfyingly solid control from body movements undermined by unexceptional steering experience.
This 3664-pound Gran Coupe weighs in at 135 lbm greater than the coupe, sufficient in order to decrease the EPA highway rating from 35 mile/gallon to 34 for the GC. We discovered 27 combined.