What’s the fuel economy of the 2019 Mazda CX-5 diesel?

By Product Expert | Posted in FAQs, Mazda CX-5, Performance & Efficiency on Monday, September 16th, 2019 at 8:45 pm
White 2019 Mazda CX-5 parked atop a parking ramp.

Diesel Engine Fuel Economy in the 2019 Mazda CX-5

After literally years of teasing, the 2019 Mazda CX-5 diesel engine is here! And with 168 horsepower and 290 pound-feet of torque, this beast does not disappoint. Diesel fans will be sure to rejoice.

But many out there are also asking, what’s the fuel economy of the 2019 Mazda CX-5 diesel engine?

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The all-wheel drive 2019 Mazda CX-5 diesel is rated to get 27 miles-per-gallon in the city and 30 on the highway, culminating in a grand total of 28 combined mpg. But wait! That’s not the end of the story.

When Car and Driver performed their fuel economy test on the 2019 Mazda CX-5 diesel, the vehicle beat the EPA’s highway estimate by a full 4 miles-per-gallon. This shows that the EPA may be, dare we say it, not the absolute final authority on a vehicle’s fuel-economy, and that the 2019 Mazda CX-5 diesel is looking even better than we initially thought.

Front interior of the 2019 Mazda CX-5 Signature trim, with Apple CarPlay on the infotainment screen and a serious man in the driver seat.How does Car and Driver perform their fuel-economy test?

To determine highway fuel economy, Car and Driver drives a vehicle on, you guessed it, a highway. They go at a speed of 75 miles-per-hour over the span of 200 miles.

In the analysis from C&D, the 2019 Mazda CX-5 diesel achieved a full 34 miles-per-gallon. That’s four mpg better than the estimate from the EPA.

What is the diesel option for the 2019 Mazda CX-5?

Mazda first announced its plans for a diesel four-cylinder engine in 2010. Now, nearly a decade later, it’s been unleashed to the public. The Mazda diesel engine is currently available exclusively in the all-wheel drive 2019 Mazda CX-5 Signature trim.

The Mazda diesel is a sequentially turbocharged 2.2-liter inline-four engine rated at 168 horsepower and 290 pound-feet of torque. It’s priced $4,110 higher than the other optional engine for the 2019 CX-5 Signature trim. That latter option is an also-impressive 250-horsepower 2.5-liter four-cylinder powerplant. On the same C&D highway mpg test described above, that engine got a rating of 30 miles-per-gallon.


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