American Le Mans Series
Highest winning percentage
25 or more starts are needed to appear on the list for F1, Champ Car, IndyCar, MotoGP, NASCAR Xfinity, or NASCAR Trucks, while 50 or more starts are needed for Cup.
| Driver | Winning percentage |
| Rinaldo Capello | 45.3125 |
| Tom Kristensen | 42.4242 |
| Allan McNish | 40.8163 |
| Marco Werner | 37.0370 |
| Frank Biela | 33.3333 |
| Klaus Graf | 32.7869 |
| JJ Lehto | 31.6667 |
| Simon Pagenaud | 25.8065 |
| Lucas Luhr | 24.2424 |
| Emanuele Pirro | 23.2877 |
| Johnny Herbert | 21.4286 |
| Romain Dumas | 16.3934 |
| David Brabham | 13.3333 |
| Timo Bernhard | 11.2500 |
| Jörg Müller | 8.3333 |
| James Weaver | 7.1429 |
| Scott Sharp | 6.6667 |
| Jan Magnussen | 5.1724 |
| Guy Smith | 4.4444 |
| Butch Leitzinger | 4.0000 |
| Chris Dyson | 3.7037 |
| Emmanuel Collard | 3.3333 |
| Mimmo Schiattarella | 3.1250 |
| Scott Tucker | 2.9412 |
| Christophe Bouchut | 2.8571 |
| Adrián Fernández | 2.7778 |
| Sascha Maassen | 1.8692 |
| Andy Wallace | 1.5152 |
| Marino Franchitti | 1.4493 |
| Johnny O'Connell | 0.9259 |
