DETROIT — General Motors says its next-generation full-size SUVs can tow more and get better fuel economy in city driving than the current versions, despite being significantly bigger. Highway mileage decreased by up to 2 mpg, however.
Standard towing capacity for the 2021 Chevrolet Tahoe and Suburban with a 5.3-liter V-8 increased to 7,900 pounds for two-wheel drive and 7,700 pounds for four-wheel drive, GM said Monday. The increases range from 20 to 28 percent.
EPA city fuel economy for the Tahoe and Suburban rose 1 mpg to 16 mpg in the 2wd configuration for the 5.3-liter as well as a 6.2-liter V-8, GM said. The highway fuel economy was 20 mpg, and the combined rating was 18 mpg.
The 2021 GMC Yukon and Yukon XL achieved identical ratings as the corresponding Chevy versions. All four SUVs are scheduled to go on sale this year.
A new 10-speed automatic transmission, dynamic fuel management and stop-start helped improve the Tahoe and Suburban’s city ratings, Chevy and GMC spokesmen…