EPAcity/highway fuel economy: 25/37 mpg (manual), 26/38 mpg (automatic), 28/40 mpg (i-Eloop) Its still a great choice if you're looking for a full-size truck. Most fuel-efficient 2WD variant (3.0-liter turbodiesel V6): 23 mpg combined, 20 city/28 highway. Most fuel-efficient 4WD variant Doesthe 2016 Mazda6 Get Good Gas Mileage? For a car with a peppy engine, the Mazda6 is surprisingly fuel-efficient. According to the EPA, it gets up to 26 mpg in the city and 37 mpg on the highway Mazda3 1.6 Fuel Consumption (Economy), Emissions and Range. Fuel Consumption - Economy - Combined: 34 MPG 6.9 L/100 km 41 MPG UK: Mazda 3 1.6 (2003) vs Renault Megane 4 Phase 1 1.5 dCi 110 EDC GT Line (2016) Mazda 3 1.6 (2003) vs Ford Focus 1 1.6 16v (2001) Mazda 3 1.6 (2003) vs Mazda 6 Sedan 1.8 MZR (2002) Magazine. Fueleconomy of the 2016 Mazda Mazda6. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, QuickSpecs. Gas Mileage 26 mpg City/38 mpg Hwy. Engine Regular Unleaded I-4, 2.5 L. EPA Class Midsize Cars. Style Name 4dr Sdn Auto i Grand Touring. Drivetrain Front LuggageVolume. 16 ft 3 (Hatchback) Fuel Type. Regular Gasoline. Engine Descriptor. SIDI. Transmission Descriptor. Fuel Economy of the 2016 Mazda 2. Compare the gas mileage and greenhouse gas emissions of the 2016 Mazda 2 side-by-side with other cars and trucks. zUsJJ.