Yukon

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2025 GMC Yukon and Yukon XL Preview

The Elevation and AT4 trims both come with the same 355-horsepower, 5.3-liter V8 that’s in the current Yukon and Yukon XL. This engine returned 17 mpg and 16 mpg overall, respectively, in our tests of the 2021 Tahoe and Suburban. A 420-hp, 6.2-liter V8 is standard on the AT4 Ultimate, Denali, and Denali Ultimate, and available on the AT4. A…