The 2003 GMC Yukon XL, a full-size SUV belonging to the fourth-generation Yukon series, is renowned for its ability to accommodate plenty of passengers and cargo. It offers two engines - a 5.3L V8 producing 285 hp and a 6.0L V8 making 320 hp. Both pair with a 4-speed automatic transmission, with the choice of RWD or AWD. The Yukon XL comes in three trims: SLE, SLT, and Denali. Available features include a 9-speaker Bose sound system, leather seating, and a rear-seat entertainment system with DVD player, in addition to safety features like ABS and optional stability control. Despite its age, the 2003 model delivers a smooth ride with good comfort and capability.