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Which 2018 GMC Models Get the Best Gas Mileage?

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GMC is focused on big, luxurious pickup trucks and SUVs, segments not known for prioritizing fuel efficiency. However, the GMC lineup does offer a handful of models that deliver competitive gas mileage ratings. If you’re considering a GMC purchase, that means you don’t have to give up fuel economy in exchange for the capability and comfort the brand is known for. Read on to learn more about the three most fuel-efficient GMC models of 2018.

Related: Learn more about the 2018 GMC Terrain

[wptab name=”Terrain”]
2018 GMC Terrain

1. 2018 GMC Terrain

The 2018 GMC Terrain is a compact SUV that achieves gas mileage comparable to many sedans. Its base engine, a 1.5-liter four-cylinder VVT Turbo engine, offers an EPA-estimated 26 mpg in the city, 30 mpg on the highway, and 28 mpg combined. For truly outstanding fuel efficiency, though, opt for either the SLE Diesel or the SLT Diesel. These trims are equipped with a 1.6-liter four-cylinder VVT Turbo diesel engine and get an EPA-estimated 28 mpg in the city, 39 mpg on the highway, and 32 mpg combined.


[wptab name=”Acadia”]
2018 GMC Acadia

2. 2018 GMC Acadia

When it’s outfitted with the base engine, a 2.5-liter four-cylinder DOHC, the 2018 GMC Acadia mid-size SUV gets an EPA-estimated 21 mpg in the city, 26 mpg on the highway, and 23 mpg combined. For more power, you can go with the available 3.6-liter V6 engine, but your fuel efficiency will decrease to 18 mpg in the city, 25 mpg on the highway, and 21 mpg combined.


[wptab name=”Canyon”]
2018 GMC Canyon

3. 2018 GMC Canyon

The 2018 GMC Canyon is one of the most fuel-efficient pickup trucks available. Equipped with the base 2.5-liter I4 DI DOHC engine, it achieves an EPA-estimated 20 mpg in the city, 26 mpg on the highway, and 22 mpg combined. If best-in-class gas mileage is what you’re looking for, the SLT, SLE, and Denali trims deliver with a 2.8-liter Duramax diesel engine that gets 22 mpg in the city, 30 mpg on the highway, and 25 mpg combined.



Related: A look at the 2018 GMC Acadia