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Upgrading to all-wheel drive changes the fuel economy of the 2018 Mazda CX-5 diesel. Coming standard with 2-wheel drive, the 2018 Mazda CX-5 diesel will have a city fuel economy of 28 mpg, a highway fuel economy of 31 mpg, and a combined fuel economy of 29 mpg. In combined driving, the diesel is 2 mpg better at 28 mpg. The four-wheel-drive diesel CX-5 exceeds its gasoline counterpart by 3 mpg (27 mpg) in city driving, and matches it with 30 mpg on the highway. MAZDA CX-5 Car Leasing & Contract Hire Deals View Deal List. 2018 Mazda CX-5 Diesel EPA Fuel Efficiency. City fuel economy exceeds the gasoline-powered CX-5 by 3 mpg, and in combined driving, it would exceed it by 1 mpg.
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These differences are pretty modest, but the only one of the bunch where the EPA estimates that you’ll spend less money on gas than the average new vehicle is the FWD gas-powered CX-5. Advanced Search Advanced Search Advanced Search. Here are the EPA’s estimated annual fuel costs for each model: Not only are they barely more efficient, but the EPA estimates you’ll actually be spending more money on fuel with the diesels than you would be with the gas engines thanks to difference in pump prices.
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The highway mileage is identical for the two engines (31 for FWD, 30 for AWD) and the city burn rate is a little better for both (28 vs 25 for FWD, 27 vs 24 for AWD). For the AWD models, the diesel gets a whopping 2 combined mpg improvement. We compared the EPA’s numbers and assuming they’re accurate, the FWD CX-5 with a diesel is only more efficient than its gas counterpart by 1 combined mile per gallon. So that means better fuel economy, right? Technically, yes, but it’s not what you might think. We’ve been hearing rumors that Mazda will bring a Skyactiv-D diesel engine to the States for a few years, but now it looks like it’s actually happening thanks to newly posted fuel economy figures on that appear to confirm a diesel option is coming to the U.S.-spec CX-5. The Mazda CX-5 is a wildly popular crossover that accounts for more than half of all of Mazda’s sales in this country.