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2014 BMW 640i Gran Coupe Review Official TrueDelta review by Michael Karesh Gas engine to gas engine, the 640i Gran Coupe has a fuel economy edge over the A7, with EPA ratings of 20 mpg city and 29 mpg highway vs. 18 and 28. I was only able to drive the BMW in extremely cold weather, and observed high teens and low... Comparison vehicle: 2014 Audi A7 / S7 / RS7 |
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2014 Maserati Ghibli Review Official TrueDelta review by Michael Karesh With EPA ratings of 15 city and 25 highway, the Ghibli can go more miles on a gallon of gas than other high-powered Italian cars. But Audi and BMW have made major gains in this area, and the A7 3.0T and 640i Gran Coupe xDrive manage 18/28 and 20/29, respectively. Comparison vehicle: 2014 BMW 6-Series Gran Coupe |