Other Model Years:
Other Model Years:
The 2023 GMC Yukon XL SUV comes in only 1 body type: SUV. The Yukon XL SUV is available in 5 different trim level options: SLE, SLT, AT4, Denali and Denali Ultimate. The SLE is the base trim level option, while the Denali Ultimate is the highest, most expensive configuration.
Table of Contents
In this guide, we will breakdown the differences between each GMC Yukon XL SUV configuration and help you determine which trim level to purchase.
Below is a table comparing some of the major features for the most popular GMC Yukon XL SUV trim levels.
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SLE | SLT | AT4 | Denali | Denali Ultimate |
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| Engine | EcoTec3 5.3L V8 355hp 383ft. lbs. | Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs. | Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs. | Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs. | Duramax 3.0L Diesel Turbo I6 277hp 460ft. lbs. |
| Transmission | 10-Speed Shiftable Automatic | 10-Speed Shiftable Automatic | 10-Speed Shiftable Automatic | 10-Speed Shiftable Automatic | 10-Speed Shiftable Automatic |
| Combined Mileage | 17 MPG 23 MPG | 17 MPG 23 MPG | 16 MPG 16 MPG | 16 MPG 23 MPG | 16 MPG 22 MPG |
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