This 428i GC’s test sheet says like a duplicate of a coupe’s. Along with similar gearing and putting on exactly the same staggered 18-inch Bridgestone Potenza S001 run-flat all season tires, the GC raced the 1/4-mile within fourteen point two seconds on 98 Miles per hour, merely a 10th of the second and one Miles per hour behind this coupe. A 162-foot end from 70 mph trim down 2 foot from a coupe’s overall performance. Skidpad grip was exactly the same on 0.89 g.
This cars betray no more divergence on the highway. Once you had chosen the sport driving mode in order to stiffen up the adaptive dampers included in the $1000 Dynamic Handling package on our test vehicle, this GC demonstrates the platform’s customary quality: the satisfyingly solid control from body movements undermined by unexceptional steering sense.
This 3664-pound Gran Coupe weighs in at 135 ?) more than the coupe, enough in order to lower the EPA highway score from thirty five mile/gallon to thirty four for the GC. Many of us noticed twenty-seven combined.
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