This 428i GC’s test out sheet reads like a duplicate from the coupe’s. Together with the same gearing and using the same staggered 18-inch Bridgestone Potenza S001 run-flat all season tires, the GC ran the ¼-mile in fourteen point two seconds in 98 MiH, just a tenth of a 2nd and one mph behind the coupe. A 162-feet end coming from seventy MiH trim off two feet from a coupe’s overall performance. Skidpad grip was exactly the same at 0.89 g.
This cars betray not anymore change on the highway. The moment you had selected the sport driving mode in order to stiffen up a adaptive dampers contained in the $1000 Dynamic Handling package upon our test auto, this GC shows the platform’s customary trait: a satisfyingly reliable control of body motions undermined by unexceptional steering feel.
The 3664-pound Gran Coupe weighs in at 135 ?) greater than the coupe, sufficient to decrease the EPA highway score from thirty five mile per gallon to thirty-four for the GC. We saw twenty seven combined.
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