| Most frequent drivers: | John Morton (3), Rich Sloma (3), Michael Keyser (2), Walt Maas (2), Jim Cook (2), Bill Freeman (2), Jackie Stewart (2), Dennis Aase (2), John Hotchkis (2), Phil Henny (2), Roger Kraus (2), Bob Bondurant (2), Larry Stephens (2), Peter Gregg (2), Peter Weinhold (2), George Dyer (2), Chuck Phillippi (2), Skeeter McKitterick (2), George Follmer (1) |
| Most frequent makes: | Chevrolet (39), Porsche (35), Datsun (9), Lola (8), McLaren (7), BMW (6), Alfa Romeo (5), March (4), Lotus (4), Ford (4), BRM (3) |
| Most frequent chassis: | 911 460 0111 (2), 911 460 9048 (2), M1C-40-06 (2), 911 460 0100 (1), 911 460 0037 (1), 911 460 0016 (1), 911 360 0785 (1), 911 360 0601 (1), 911 230 0921 (1), 906-136 (1), 72/R5 (1), 72/R3 (1), 711-3 (1), 711-2 (1), 701-6 (1), 701-3 (1), 70-01 (1), 511 (1), 49/R11 (1), 473 29 24107 (1), 2275986 (1), 194379S730433 (1), 192-HU24 (1), 192-HU23 (1), 192-HU22 (1), 192-HU19 (1), 190-F1-6 (1), 190-F1-3 (1), 190-F1-1 (1), 124379L505222 (1) |