We already knew the following era of full-size SUVs from Common Motors—together with the 2021 Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, and Cadillac Escalade—are as a consequence of supply a diesel engine possibility. Now, although, we all know simply how environment friendly this powertrain makes the large three-row SUVs—or no less than two-wheel-drive iterations.
The 2021 Chevrolet Tahoe diesel leads the lineup with a score of 24 mpg in mixed metropolis and freeway driving. It is way more frugal than the gasoline Tahoe, which tops out at 18 mpg. The beefier 2021 Chevrolet Suburban diesel will get 23 mpg, a sum that bests the gasoline mannequin’s score by 5 mpg. For reference, the EPA charges the 2021 Infiniti Q60 sports activities coupe at 22 mpg mixed—no matter its six-cylinder engine’s state of tune.
Equally, the diesel-powered GMC Yukon impresses at 23 mpg. This quantity holds true regardless of whether or not you go for the common model or the lengthy wheelbase. The gasoline Yukon will get a max 18-mpg score. Likewise, the luxurious Escalade diesel will get 23 mpg, forward of the 17 mpg supplied by the mannequin’s strong 6.2-liter V-Eight gasoline engine.
GM’s full-size SUVs’ turbo-diesel 3.0-liter inline-six engine is predicted to ship 277 hp and 460 lb-ft of torque on all fashions. Energy is routed by a well-known 10-speed automated transmission. GM has solely launched gasoline financial system numbers for rear-drive variations of the diesel SUVs; four-wheel-drive variants will in all probability are available 1 or 2 mpg decrease.
GM Full-Measurement SUVs Diesel MPG
2021 Chevrolet Tahoe Diesel: 21/28/24 mpg
2021 Chevrolet Suburban Diesel: 21/27/23 mpg
2021 GMC Yukon Diesel: 21/27/23 mpg
2021 Cadillac Escalade Diesel: 21/27/23 mpg