With a drop-down DVD player and a hand full of movies you can take the family on that 1500 mile trip without a fuss. It's big enough for all your luggage, tows trailers without worry, fits 6-8 adults without worry, offers sleeping room and seating postions, excellerates great, and handles like a Mercedes. After driving an S500 recently, I returned to the Yukon XL with a renewed point of view of how much vehicle this really is. The stable-track nearly eliminates body sway. The long wheelbase soaks up the bumps much better than a pounding/bucking ride Short-Wheel-Base SUV. Towed trailers 10,000 miles and I put a post-it note on the dash to remind me it was back there. Mercedes in GM clothing.
327 V8 vortec engine. Flex fuel with 300 real horsepower. Smooth ride, quiet interior. Bose radio is same as a Mercedes. Satelite radio is better than CD. 16-20 mpg highway 13-15 mpg with trailer in mountains. Heated seats. Trailer lights work perfectly
Put in the $40 K&N filter.10 minute install, 6 hp gain. Install the $50 low impedance spark plug wires. 25 minutes, 5 hp gain. Run synthetic fluids, in every system possible. Lube all 8 zerks on the steering linkage/front suspension yourself