2021 Chevy Tahoe And Suburban Get Better City MPG, Worse On Highway

For the 2021 model year, the Chevrolet Suburban and its shorter Tahoe sibling are new vehicles from the ground up. As such, the upscale GMC Yukon is also new. Not quite as new are the engines powering these full-size SUVs, with the venerable 5.3-liter and 6.2-liter V8s returning under the hood. They aren’t exactly thrifty when it comes to fuel usage, but figures reported by General Motors claim the new models will see very slight improvements in fuel economy for city driving.

In this case, very slight equals a single mpg increase at best. The increase applies to both engines, but in most instances there are trade-offs in highway fuel mileage. These figures are said to be EPA-rated, but it should be noted that as of this article posting in early May, stats for 2021 models haven’t been posted to the EPA’s official mileage website at fueleconomy.gov.

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