Big truck, big room, biggest motor available, teeny tiny bed out back. Tows up to 8500 pounds. Shortest family member is 5'8". Two in excess of 6'3". Fits nice, rides nice. Has always returned EPA rated highway mileage or better, when we are on extended trips. Best mileage ever was actually pulling Uhaul's smallest enclosed trailer 4 years ago. Couldn't believe I got 20.4... At 80 MPH!
Current Mods:
Keep tires 2psi above tire placard ratings. When I drive, modified habits. Everyone else just drives...