| #1 | #2 | #3 | Ferrari | |
|---|---|---|---|---|
| 1968 | Chevrolet (2,139,290) | Ford (1,753,334) | Volkswagen (1,191,854) | 706 |
| 1967 | Chevrolet (2,206,639) | Ford (1,730,224) | Toyota (1,068,321) | 706 |
| 1966 | Ford (2,212,415) | Chevrolet (2,206,639) | Volkswagen (1,168,146) | 706 |
| 1965 | Chevrolet (2,375,118) | Ford (2,170,795) | Volkswagen (1,174,687) | 700 |
| 1964 | Chevrolet (2,318,619) | Ford (1,594,053) | Toyota (1,068,321) | |
| 1963 | Chevrolet (2,237,201) | Ford (1,525,404) | Fiat (957,941) | |
| 1962 | Chevrolet (2,061,677) | Ford (1,476,031) | Fiat (957,941) | |
| 1961 | Ford (1,338,790) | Chevrolet (1,318,014) | Volkswagen (807,488) | |
| 1960 | Chevrolet (1,653,168) | Ford (1,439,370) | Toyota (1,068,321) | |
| 1959 | Chevrolet (1,462,140) | Ford (1,450,953) | Volkswagen (575,407) | |
| 1958 | Chevrolet (1,142,460) | Ford (987,945) | Volkswagen (451,526) |
