Our 428i GC’s test sheet says like a replicate of a coupe’s. Together with similar gearing and using a similar staggered 18-inch Bridgestone Potenza S001 run-flat all season tires, the GC to run the 1/4-mile in fourteen point two seconds in 98 MiH, just a tenth of the second and one Miles per hour behind the coupe. A 162-foot stop coming from seventy mph trim away 2 ft from a coupe’s high-performance . skidpan grip has been exactly the same on 0.89 g.
The cars abuse no longer divergence on the road. As soon as you had selected the sport driving mode in order to stiffen up the adaptive dampers as part of the $1000 Dynamic Handling package in our test car, the GC displays the platform’s customary attribute: the satisfyingly solid control from entire body movements undermined by unexceptional steering sense.
This 3664-pound Gran Coupe weighs in at 135 lbs more than a coupe, sufficient to lower the EPA highway score from 35 mpg to thirty-four for the GC. We noticed twenty seven combined.
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