More 2015 F150 news - Ecoboost engine delivers low fuel economy

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2.7L EcoBoost V-6: This all-new F-150 pickup engine is compelling for several reasons, particularly the “hybrid” block construction that uses compacted-graphite iron for the upper part and aluminum for the bottom, as well as aluminum heads with integrated exhaust manifolds.

There are lots of interesting technologies onboard, from the fracture-split connecting rods and variable-displacement oil pump to the structural die-cast front engine cover and deep-set fuel injectors capable of four spurts per combustion event.


But there’s a big problem: The observed fuel economy is not that good. The EPA says this engine should get 26 mpg (9 L/100 km) on the highway with 2-wheel drive. Our 4x4 supercab never got close to that, even under a light foot.

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Several editors drove the truck for 253 miles (407 km), and the trip computer displayed a low of 17.6 mpg (13.3 L/100 km) and a high of 19 mpg (12.3 L/100 km).

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This engine has impressive power and torque (325 hp and 375 lb.-ft.[508 Nm]). But heck, we’ve driven 5.0L V-8 F-150s that delivered better mileage.

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