This 428i GC’s test out sheet says just like a replicate from the coupe’s. Along with identical gearing and using the same staggered 18-inch Bridgestone Potenza S001 run-flat summer tires, this GC run the ¼-mile in 14.2 seconds on 98 mph, just a tenth of the second and 1 MiH behind this coupe. A 162-foot end from seventy Miles per hour trim off two feet from the coupe’s overall performance. Skidpad grip had been the same at 0.89 g.
The cars betray no more change on the highway. When you’ve picked a sport driving mode in order to stiffen up a adaptive dampers included in the $1000 Dynamic Handling package on our test vehicle, the GC shows the platform’s customary characteristic: the satisfyingly reliable control from entire body moves undermined by unexceptional steering sense.
The 3664-pound Gran Coupe weighs in at 135 lbm a lot more than the coupe, sufficient to be able to lower the EPA highway rating from thirty five mile/gallon to 34 for the GC. Many of us discovered twenty seven combined.
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