Mazda 6 diesel fuel consumption. My husband purchased a new Mazda 6 estate in November 2010. He previously owned a Honda Accord. Since buying it he has constantly complained of poor diesel consumption compared to the Honda & can hardly manage to get 40 mpg, even on a run. The dealer is going to check the car out, but was rather vague as to a Mazda 3 1.6 Fuel Consumption (Economy), Emissions and Range. Fuel Consumption - Economy - Combined: 34 MPG 6.9 L/100 km 41 MPG UK: Fuel Consumption - Economy - Open road: With this engine, the Soul has an acceleration time of 6.5 seconds to go from 0 to 62 miles per hour, but the top speed is also no less than that of an Audi of the same class. Fuel consumption is stated as an average of 30 miles per gallon, which is far better than a number of cars in this category. 5. PORSCHE 718 BOXSTER Engines The 1984 Mazda 626 II 2.0 Diesel has a 4, Diesel engine with 1998 cm3 / 121.9 cu-in capacity. How many horsepower (hp) does a 1984 Mazda 626 II 2.0 Diesel have? The 1984 Mazda 626 II 2.0 Diesel has 62 PS / 61 bhp / 46 kW. The 2014 Mazda 6 III SKYACTIV-D 2.2 150HP has a Inline 4, Diesel engine with 2191 cm3 / 133.7 cu-in capacity. How many horsepower (hp) does a 2014 Mazda 6 III SKYACTIV-D 2.2 150HP have? The 2014 Mazda 6 III SKYACTIV-D 2.2 150HP has 150 PS / 148 bhp / 110 kW. After a few days with the diesel 6, where the majority of it was spent driving around the city, with a few trips to the airport and back, I managed an average fuel economy of 6.8 litres/100 km We can help you calculate and track your fuel economy. Diesel Links; Flex-Fuel Vehicles; Flex-Fuel Vehicles; 2014 Mazda 6. EPA MPG Average fuel consumption of Mazda 3. On Car A Rac you will find the specific engine fuel economy of vehicles. Diesel 51.1 - 48 mpg(USA) 4.6-4.9 l/100 km 61.9 mpg eMgU.