| Most frequent co-drivers: | Liane Engeman (3), Rosemary Smith (2), George Follmer (2), Hurley Haywood (2), Bonnie Henn (2), Donna Mae Mims (2), Brian Redman (1), Stephen Behr (1), Smokey Drolet (1), Frank Dominianni (1), John Gunn (1), Hugh Kleinpeter (1), Jef Stevens (1), Randy Lewis (1), Desiré Wilson (1), Lyn St. James (1), Jacky Ickx (1), Jennifer Birrell (1), Suzy Dietrich (1), George Zimmerman (1), Anita Taylor (1), Judy Kondratiff (1), Sharlene Seavey (1), Richard Mooney (1) |
| Most frequent makes: | Porsche (5), Jaguar (3), Chevrolet (2), Austin-Healey (2), Ferrari (2), Toyota (1), Sunbeam (1), Matra (1), Ford (1), De Tomaso (1), Chevron (1), AMC (1) |
| Most frequent types: | 935 (3), XK140 (2), Sprite (2), 934 (1), 911 (1), 512 BB (1), 365 GTB/4 (1), Pantera (1), Mustang (1), Monza (1), Javelin (1), Djet (1), Corvette (1), Celica (1), B16 (1), Alpine (1) |
| Most frequent chassis: | King (1), B16-DBE21 (1), 930 770 0959 (1), 930 770 0955 (1), 930 670 0179 (1), 30559 [512BB] (1), 30.006 (1), 20867S104248 (1), 1603 (1), 13367 [365 GTB/4] (1) |
| Most frequent tracks: | Sebring (8), Watkins Glen (5), Daytona (3), Mexico City (1), Lime Rock (1), Virginia (1), Thompson (1), Summit Point (1) |