15 Fuel Efficient Luxury Cars

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11. 2016 Cadillac CTS

Gas mileage: 31 MPG (highway)

The Cadillac CTS is one of the most fuel efficient luxury cars on the market. The American brand’s auto is powered by a stock turbo-four cylinder engine rated at 268 horsepower. Consumers can also choose to upgrade to a V-6 rated at 335 horsepower or a twin-turbo V-6 (Vsport) rated at 420 horsepower when buying the car new. All drivetrains are coupled to an eight-speed automatic transmission with rear-wheel drive. The overall gas mileage rating of the car is 21 MPG (city) and 31 MPG (highway). The CTS can go from zero to 60 MPH in just 5.8 seconds, and is one of the most fuel efficient Cadillacs ever produced.