2015 Ford Mustang Mileage Announced

The 2015 Ford Mustang will be less efficient than the generation it replaces. Or at least that’s true in certain configurations.

Official fuel economy estimates were released today, revealing that the new V8-powered GT model should return 15 MPG in the city and 25 during presumably flaccid highway travel while that engine equipped with an automatic transmission is supposed to spit back 16 MPG city and 25 on the open road. Those figures mark a slight, but measurable downgrade in fuel economy compared to the 2014 model.

Entry-level V6 models also offer worse mileage than the model they replace with 19/28 MPG mated to a manual gearbox or 17/28 MPG in automatic form. Manual models lose three miles per gallon on the highway, which is good enough to drop the overall rating by a single MPG to 22. The automatics lsoe two MPG in the city and one on the highway to also see a single MPG drop in the average rating.

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But none of that matters for Ford, because there’s a new 2.3-liter turbocharged four-cylinder model as well, and that model will make it possible for Ford to advertise the Mustang offering up to 32 MPG. Manual models are rated to return 22/31 MPG city/highway while the automatic numbers to a do-si-do to offer 21/32.

The GT’s minor mileage concession isn’t without reward because Ford revised much of the 5.0-liter Coyote mill’s internal components to include parts from the Boss 302. Now, the plain Jane GT engine comes with bigger intake and exhaust valves and a higher-lift cam profile along with the same valve springs and connecting rods as the Boss. In English, that means the engine is being advertised with an uprated 435 hp and 400 lb-ft of torque.