2020 Ford Mustang Shelby GT500 Review â Baddest Mustang 5.2-liter supercharged V8 (760 horsepower @ 7,300 rpm; 625 lb-ft @ 5,000 rpm) Seven-speed dual-clutch automatic transmission, rear-wheel drive 12 city / 18 highway / 14 combined (EPA Rating, MPG) 19.9 city, 12.7 highway, 16.7 combined. (NRCan Rating, L/100km) Base Price: $70,300 (U.S) / $94,675 (Canada) As Tested: $81,180 (U.S.) / $106,570 (Canada) Prices include $1,095 destination charge in the United States and $1,900 for freight, PDI, and A/C tax in Canada and, because of cross-border equipment differences, canât be directly...