2012 GMC Yukon Fuel Economy

5.0
Fuel Economy

With the base powertrain, both the 2012 GMC Yukon and its long-wheelbase version, the Yukon XL, earn respectable fuel economy numbers for the class. The EPA rates Yukons with the 5.3-liter V-8 at 15/21 mpg--still low in absolute terms, but better than other big utes like the Armada or GL-Class.

Upgrading to the 6.2-liter V-8 on XL versions and in the Denali drops gas mileage to 14/18 mpg, or 13/18 mpg with all-wheel drive.

One of the most efficient big SUVs is the GMC Yukon Hybrid, but even the basic V-8 version is better than average on gas.

The Yukon lineup does include a Hybrid edition, a vehicle that really only is approached in efficiency by the turbodiesel version of the Benz GL-Class. The Yukon Hybrid ekes out 50 percent better city fuel economy, for an overall EPA rating of 20/23 mpg, while it still can tow 5,000 pounds.

All standard Yukon models are also E85 (85-percent ethanol) compatible; but when you fuel up with ethanol you'll get an EPA-estimated 11 mpg city, 16 highway.

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