Our 428i GC’s test out sheet states like a replicate from the coupe’s. Along with identical gearing and wearing a similar staggered 18-inch Bridgestone Potenza S001 run-flat summer tires, this GC to run the ¼-mile within 14.2 seconds at 98 Miles per hour, merely a tenth of the 2nd and one Miles per hour behind the coupe. A 162-feet stop from 70 MiH trim down 2 foot from the coupe’s high-performance . skidpan grip had been the same on 0.89 g.
The cars abuse not anymore divergence on the highway. Once you had selected the sport driving mode to stiffen up a adaptive dampers contained in the $1000 Dynamic Handling package deal in our test vehicle, this GC demonstrates the platform’s customary quality: the satisfyingly strong control from body movements undermined by unexceptional steering sense.
The 3664-pound Gran Coupe weighs 135 lbs more than a coupe, adequate to decrease the EPA highway rating from thirty five mile per gallon to 34 for the GC. Many of us saw 27 combined.