How many horsepower does the engine in 2003 GMC Yukon-XL have?

The 2003 GMC Yukon XL offered several engine options, so the horsepower varies. You'll need to specify which engine was in the particular Yukon XL you're interested in. The options included:

* 4.8L Vortec V8: Around 270-285 hp (depending on slight variations between model years)

* 5.3L Vortec V8: Around 290-300 hp (again, variations exist)

* 6.0L Vortec V8: Around 300+ hp (this was likely available only on higher trims)

To find the exact horsepower, check the vehicle's sticker (often found on the driver's side doorjamb) or the owner's manual.