| No | Class | Tyres | Team | Driver | Car | |
|---|---|---|---|---|---|---|
| 1 | 1 | LMP1 | M | Porsche Team | Timo Bernhard Mark Webber Brendon Hartley | Porsche 919 Hybrid |
| 2 | 2 | LMP1 | M | Porsche Team | Romain Dumas Marc Lieb Neel Jani | Porsche 919 Hybrid |
| 3 | 4 | LMP1 | D | ByKolles Racing Team | Simon Trummer Pierre Kaffer Oliver Webb | CLM P1/01 AER |
| 4 | 5 | LMP1 | M | Toyota Gazoo Racing | Anthony Davidson Sebastien Buemi Kazuki Nakajima | Toyota TS050 Hybrid |
| 5 | 6 | LMP1 | M | Toyota Gazoo Racing | Stéphane Sarrazin Mike Conway Kamui Kobayashi | Toyota TS050 Hybrid |
| 6 | 7 | LMP1 | M | Audi Sport Team Joest | Marcel Fässler Benoit Treluyer Andre Lotterer | Audi R18 |
| 7 | 8 | LMP1 | M | Audi Sport Team Joest | Lucas Di Grassi Oliver Jarvis Loic Duval | Audi R18 |
| 8 | 12 | LMP1 | D | Rebellion Racing | Nicolas Prost Nick Heidfeld Nelson Piquet Jr (Rds 1-3) Mathias Beche (Rds 4-9) | Rebellion R-One AER |
| 9 | 13 | LMP1 | D | Rebellion Racing | Matheo Tuscher Dominik Kraihamer Alexandre Imperatori | Rebellion R-One AER |
| 10 | 26 | LMP2 | D | G-Drive Racing | Roman Rusinov Nathanaël Berthon Rene Rast | Oreca 05 Nissan |
| 11 | 27 | LMP2 | D | SMP Racing | Nicolas Minassian David Markozov Maurizio Mediani | BR01 Nissan |
| 12 | 30 | LMP2 | D | Extreme Speed Motorsports | Scott Sharp Johannes van Overbeek Ed Brown | Ligier JS P2 Nissan |
| 13 | 31 | LMP2 | D | Extreme Speed Motorsports | Ryan Dalziel Pipo Derani Chris Cumming | Ligier JS P2 Nissan |
| 14 | 35 | LMP2 | D | Baxi DC Racing Alpine | David Cheng Ho-Pin Tung Nelson Panciatici | Alpine A460 Nissan |
| 15 | 36 | LMP2 | D | Signatech Alpine | Gustavo Menezes Nicolas Lapierre Stephane Richelmi | Alpine A460 Nissan |
| 16 | 37 | LMP2 | D | SMP Racing | Vitaly Petrov Viktor Shaytar Kirill Ladygin | BR01 Nissan |
| 17 | 42 | LMP2 | D | Strakka Racing | Nick Leventis Jonny Kane Danny Watts | Gibson 015S Nissan |
| 18 | 43 | LMP2 | D | RGR Sport by Morand | Ricardo Gonzalez Bruno Senna Filipe Albuquerque | Ligier JS P2 Nissan |
| 19 | 44 | LMP2 | D | Manor WEC | Tor Graves Will Stevens James Jakes | Oreca 05 Nissan |
| 20 | 45 (not at Le Mans) | LMP2 | D | Manor WEC | Matt Rao Richard Bradley Roberto Merhi | Oreca 05 Nissan |
| 21 | 51 | GTE PRO | M | AF Corse | Gianmaria Bruni James Calado | Ferrari 488 GTE |
| 22 | 66 | GTE PRO | M | Ford Chip Ganassi Team UK | Olivier Pla Stefan Mucke Billy Johnson (Rounds 1-3) | Ford GT |
| 23 | 67 | GTE PRO | M | Ford Chip Ganassi Team UK | Marino Franchitti Andy Priaulx Harry Tincknell (Rounds 1-3) | Ford GT |
| 24 | 71 | GTE PRO | M | AF Corse | Davide Rigon Sam Bird | Ferrari 488 GTE |
| 25 | 77 | GTE PRO | M | Dempsey Proton Racing | Richard Lietz Michael Christensen | Porsche 911 RSR (2016) |
| 26 | 95 | GTE PRO | D | Aston Martin Racing | Nicki Thiim Darren Turner Marco Sorensen | Aston Martin Vantage |
| 27 | 97 | GTE PRO | D | Aston Martin Racing | Richie Stanaway Fernando Rees Jonny Adam | Aston Martin Vantage |
| 28 | 50 | GTE AM | M | Larbre Competition | Yutaka Yamagishi Paulo Ruberti Pierre Ragues | Chevrolet Corvette C7-Z06 |
| 29 | 78 | GTE AM | M | KCMG | Christian Ried Wolf Henzler Joel Camathias (Not LM24) | Porsche 911 RSR |
| 30 | 83 | GTE AM | M | AF Corse | François Perrodo Emmanuel Collard Rui Aguas | Ferrari 458 Italia |
| 31 | 86 | GTE AM | M | Gulf Racing | Michael Wainwright Adam Carroll Ben Barker | Porsche 911 RSR |
| 32 | 88 | GTE AM | M | Abu Dhabi-Proton Racing | Khaled Al Qubaisi David Heinemeier Hanssen Pat Long | Porsche 911 RSR |
| 33 | 98 | GTE AM | D | Aston Martin Racing | Paul Dalla Lana Pedro Lamy Mathias Lauda | Aston Martin V8 Vantage |