Audi showed a Q8 plug-in hybrid utility vehicle at the recent Detroit Auto Show that it said presages a production model in 2018. The full-sized ‘ute’, 16.5 feet long will have a fuel-efficiency equivalency rating of 102.3 mpg. The powertrain uses a 3.0-liter turbocharged six-cylinder engine with 333 horsepower and 369 pound-feet of torque, and an electric motor. Combined, they produce 442 horsepower. It will have an all-electric range of 37 miles. Says emerging technologies newsmagazine New Atlas, total range is estimated at 621 miles (1,000 kilometres) when both the fuel tank and batteries are full.

The Audi Q8 concept hybrid puts out 442 horsepower and has a projected range of 621 miles or 1,000 kilometres.

Big plug-in Audi SUV has 621-mile range: