Tests & Records

Diesel Mazda CX-5’s Real Highway MPG Figures Beat Official Rates

American experts have made fuel-economy testing of the diesel-powered 2019 Mazda CX-5 to compare real figures with EPA-rated ones. Results are amazing.

The testable 2019 Mazda CX-5 was equipped with a 2.2-liter inline-4 turbo diesel engine with sequential turbocharging, which produces 168 hp and 290 lb-ft (393 Nm) of torque in combination with all-wheel drive.

The *EPA (U.S. Environmental Protection Agency’s) estimates for this modification are 28 mpg (8.4 l/100 km) combined, 27 mpg (8.7 l/100 km) city and 30 mpg (7.8 l/100 km) highway.

We should add that diesel vehicles usually perform well on a 75-mph highway test compared to the same-car gasoline (petrol) versions.

Road tests conducted by Car and Driver have resulted in 4 mpg over EPA’s highway number (34 mpg = 6.9 l/100 km) and 3 mpg under EPA’s combined figure (25 mpg = 9.4 l/100 km).

They passed 200 miles (322 km) at a speed of 75 mph (121 km) on highway and 400 miles (644 km) in daily driving.

For comparison: fuel efficiency of the CX-5 Signature version with AWD and a diesel 2.5-liter 4-cylinder 250-hp turbocharged motor achieved 30 mpg (highway) in the similar test, and 23 mpg (10 l/100 km) on an average in the long-term test.

Among the vehicles which outperform their respective EPA highway estimates in fuel-economy testing, the Mazda CX-5 is somewhere in the middle.

In truth, before to cover expenses in fuel-cost savings alone, you’ll have to drive the diesel car over 190,000 miles (305,000 km), taking into account an average fuel cost.

*Average ratio:

  • NEDC/EPA is 1.428
  • WLTP/EPA is 1.121 

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