Our 428i GC’s test sheet reads like a duplicate of a coupe’s. Together with identical gearing and also putting on the same staggered 18-inch Bridgestone Potenza S001 run-flat summer tires, this GC to run the ¼-mile in 14.2 seconds at 98 mph, just a 10th of the 2nd and 1 MiH behind this coupe. A 162-foot end from seventy MiH trim away two ft from a coupe’s performance. Skidpad grip has been the same in 0.89 g.
The cars betray no more difference on the road. When you’ve chosen a sport driving mode in order to stiffen up a adaptive dampers contained in the $1000 Dynamic Handling package on our test auto, the GC shows the platform’s customary quality: a satisfyingly reliable control of body moves undermined by unexceptional steering sense.
This 3664-pound Gran Coupe weighs 135 pounds more than a coupe, sufficient to drop the EPA highway score from thirty five mile per gallon to thirty four for the GC. We all noticed twenty-seven combined.
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