| Most frequent co-drivers: | John Buffum (6), Ralph Meaney (3), Gregg Loomis (3), Warren Agor (2), Merv Rosen (2), Michael Keyser (2), Milt Minter (1), Billy Sprowls (1), John O'Steen (1), Marty Hinze (1), Buddy Baker (1), Dave Helmick (1), Janet Guthrie (1), Tom Nehl (1), Tiny Lund (1), Bill McDill (1), Clif Kearns (1), Joe Ruttman (1), John Tunstall (1), Lou Timolat (1), Bill Scott (1), Don Lindley (1), Manny Matz (1), Jerry Cohen (1), Charles Pete Conrad (1), Pete Peters (1), Brian Goellnicht (1), Jimmy Capps (1), Helmut Kelleners (1) |
| Most frequent types: | 911 Carrera (11), 914 (6), 911 (5), Monza (5), 3.0 CSL (3), 906 (2), Escort (2), Scirocco (1), Pinto (1), Firebird (1), 2002 (1), Dart (1), Corvette (1), Camaro (1), B19 (1), 935 (1), 356 (1), 320 (1) |
| Most frequent chassis: | 911 460 9055 (5), 914 043 0691 (4), Agor (3), 911 360 0755 (2), 914 043 0663 (2), King (2), 906-148 (2), 930 770 0960 (1), 911 460 0100 (1), 911 360 0701 (1), 911 230 0921 (1), 911 230 0538 (1) |
| Most frequent tracks: | Daytona (13), Sebring (5), Road Atlanta (5), Watkins Glen (4), Lime Rock (4), Charlotte (2), Virginia (2), Talladega (2), Mid-Ohio (2), War Bonnet (1), Mexico City (1), Pocono (1), Ontario (1), Montjuich (1), Hallett (1), Bryar (1) |