| 1993 | Special Purpose Vehicles | Gas | 12–13 | — | 5.2–5.9 L | $5,150–$5,600 |
| 1992 | Special Purpose Vehicles | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |
| 1991 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |
| 1990 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |
| 1989 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |
| 1988 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 9–14 | — | 5.2–5.9 L | $4,800–$7,450 |
| 1987 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 9–13 | — | 5.2–5.9 L | $5,150–$7,450 |
| 1986 | Special Purpose Vehicle 2WD, Special Purpose Vehicles | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |
| 1985 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Gas | 10–13 | — | 5.2–5.9 L | $5,150–$6,700 |