Thats not bad at all. What kind of truck do you have? Engine, 2wd vs 4x4, dually, etc.
I got 12.9 towing my Saleen from DE to St. Louis, Mo (1,000 miles one way), its roughly 3,500 lbs not counting the U-haul trailer it was on.
Comming back home the following day without the car and JUST...