Model MPG Acura RLX 24 Audi A8 22 BMW 528i 27 Bentley Mulsanne 13 Buick LaCrosse 21 Buick Regal 22 Cadillac CTS 14 Cadillac CTS AWD 22 Chevrolet Malibu 29 Chevrolet Sonic 31 Dodge Challenger 18 Ford C-max Energi Plugin hybrid 88 Ford Fusion Energi Plug-in Hybrid 88 Ford Fusion Hybrid 42 Honda Accord 31 Honda Accord Hybrid 47 Hyundai Sonata 37 Infiniti Q40 22 Jaguar XF 18 Kia Forte 30 Lexus ES 350 24 Lincoln MKZ 25 Mazda 6 30 Mercedes-Benz B-Class 84 Mercedez-Benz E350 23 Nissan Altima 31 Nissan Leaf 114 Rolls Royce Wraith 15 Toyota Prius 50 Toyota Prius Plug-in Hybrid 95 Volvo S80 22