Here are the statistics he posted from the trip:
2003 Tacoma 3.4L V6 Xtra Cab (4" w/33x10.5 BFG MT/AT)
4.10 gears with 33x10.5 ATs.
Travel time from ATL to Flagstaff, AZ: 26 hrs non-stop
Total pics taken: 1343
Total miles traveled: 4590mi
Number of gas fill ups: 20
Total price paid for gas round trip: $902.88
Total offroad miles traveled: > 260mi
Best MPG on a tank: 21.03 MPG
Average MPG: 16.4 MPG
Worst MPG on a tank: 10.50 MPG
Number of mechanical failures: -0-
Number of road kills: -0-
Closest to running out of gas: 17.714 gal filled in New Mexico, 18gal tank?
Number of National Parks visited: 7