The 2004 GMC Yukon XL offered several gasoline engine options, depending on the model and trim. Common choices included a 4.8-liter V8, a 5.3-liter V8, and a 6.0-liter V8, with the heavy‑duty 2500/HD versions using an 8.1-liter V8.
The exact engine for a given vehicle depends on its configuration. This article outlines the common options that were available across 2004 Yukon XL models and notes how to verify the specific engine installed in your SUV.
Engine options by configuration
Below are the gasoline engine options that were typically offered for the 2004 Yukon XL, depending on the trim and drivetrain.
- 4.8-liter V8 (Vortec 4800) — a common base engine on the Yukon XL 1500 family.
- 5.3-liter V8 (Vortec 5300) — widely used across mid-range Yukon XL 1500 models.
- 6.0-liter V8 (Vortec 6000) — available on higher-trim Yukon XL 1500s and some 2500/HD configurations.
- 8.1-liter V8 (Vortec 8100) — offered on heavy‑duty Yukon XL 2500/HD models for increased towing capacity.
Availability varied by market and production period, so always verify the exact engine using the vehicle’s VIN, window sticker, or build sheet.
Identify your exact engine
VIN and build sheet
To confirm the installed engine, check the vehicle’s VIN (Vehicle Identification Number) and build sheet or window sticker. A dealer can decode the VIN to reveal the exact engine specification for your 2004 Yukon XL.
Summary
The 2004 GMC Yukon XL could be equipped with a range of gasoline engines: 4.8L, 5.3L, and 6.0L in the regular Yukon XL lineup, with the heavy‑duty 2500/HD versions featuring the larger 8.1L V8. Exact engine details vary by configuration, so use the VIN or official documents to confirm the specific engine in any given vehicle.


