Fuel Economy Up 10% on GM's 2015 Large SUVs

General Motors has raised the fuel economy on its lineup of large SUVs by at least 10 percent on the highway for the 2015 model-year, the automaker announced.

The Chevrolet Tahoe and Suburban, as well as the GMC Yukon and Yukon XL, get an EPA-estimated 16 miles per gallon city and 23 mpg highway when equipped with the standard 5.3L V-8 EcoTec3 engine. The highway mileage is a 10 percent improvement.

The GMC Yukon Denali and Yukon XL Denali luxury SUVs equipped with a 6.2L V-8 rated at 420 horsepower and 460 lb.-ft. of torque offer 15 mpg city and 21 mpg highway.