The trip was made in the 1984 Toyota Supra and we drove 2954 miles. We used 122.86 gallons of gasoline at a cost of $157.71, which averaged out to $1.28/gallon.
| Date | Odometer | Gallons | Cost | Location | Cost/Gallon |
| 7/10/85 | 19340-19665 | 8.3 | $11.17 | North Platte, NE | $1.38/gal |
| 7/10/85 | 19665-19665 | 5.0 | $ 6.59 | North Platte, NE | $1.35/gal |
| 7/11/85 | 19665-19876 | 8.3 | $12.18 | Murdo, SD | $1.41/gal |
| 7/11/85 | 19876-20072 | 9.8 | $13.00 | Black Hills, SD | $1.33/gal |
| 7/12/85 | 20072-20299 | 9.6 | $12.92 | Gillette, WY | $1.33/gal |
| 7/12/85 | 20299-20461 | 6.6 | $ 7.80 | Worland, WY | $1.17/gal |
| 7/13/85 | 20461-20692 | 9.5 | $12.75 | West Thumb | $1.35/gal |
| 7/14/85 | 20692-20835 | 7.1 | $ 9.60 | Mammoth Springs | $1.35/gal |
| 7/17/85 | 20835-21126 | 12.1 | $15.64 | Jackson, WY | $1.28/gal |
| 7/18/85 | 21126-21390 | 10.5 | $14.95 | Colter Bay, WY | $1.42/gal |
| 7/20/85 | 21390-21624 | 8.7 | $10.32 | Rock Springs, WY | $1.18/gal |
| 7/20/85 | 21624-21839 | 8.6 | $10.74 | Laramie, WY | $1.24/gal |
| 7/21/85 | 21839-22016 | 6.5 | $8.70 | Denver, CO | $1.33/gal |
| 7/21/85 | 22016-22294 | 9.16 | $11.35 | Quinter, KS | $1.23/gal |
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