| No | Class | Tyres | Team | Driver | Car | |
|---|---|---|---|---|---|---|
| 1 | 1 | LMP1 | M | Porsche LMP Team | Nick Tandy Andre Lotterer Neel Jani | Porsche 919 Hybrid |
| 2 | 2 | LMP1 | M | Porsche LMP Team | Timo Bernhard Earl Bamber Brendon Hartley | Porsche 919 Hybrid |
| 3 | 4 | LMP1 | M | ByKolles Racing Team | Oliver Webb Marco Bonanomi Dominik Kraihamer | ENSO CLM P1/01 Nissan |
| 4 | 7 | LMP1 | M | Toyota Gazoo Racing | Stephane Sarrazin Mike Conway Kamui Kobayashi | Toyota TS050 Hybrid |
| 5 | 8 | LMP1 | M | Toyota Gazoo Racing | Anthony Davidson Sebastien Buemi Kazuki Nakajima | Toyota TS050 Hybrid |
| 6 | 9 | LMP1 | M | Toyota Gazoo Racing | Jose Maria Lopez Yuji Kunimoto Nicolas Lapierre | Toyota TS050 Hybrid |
| 7 | 13 | LMP2 | D | Vaillante Rebellion | Nelson Piquet Jnr Mathias Beche David Heinemeier-Hansson | Oreca 07 Gibson |
| 8 | 17 | LMP2 | M | IDEC Sport Racing | Patrice Lafargue Paul Lafargue David Zollinger | Ligier JS P217 Gibson |
| 9 | 21 | LMP2 | D | DragonSpeed | Henrik Hedman Ben Hanley Felix Rosenqvist | Oreca 07 Gibson |
| 10 | 22 | LMP2 | D | G-Drive Racing | Memo Rojas Ryo Hirakawa Jose Gutierrez | Oreca 07 Gibson |
| 11 | 23 | LMP2 | M | Panis Barthez Competition | Fabian Barthez Timothe Buret Nathaniel Berthon | Ligier JS P217 Gibson |
| 12 | 24 | LMP2 | D | CEFC MANOR TRS RACING | Tor Graves Jean-Éric Vergne Jonathan Hirschi | Oreca 07 Gibson |
| 13 | 25 | LMP2 | D | CEFC MANOR TRS RACING | Roberto Gonzalez Vitaly Petrov Simon Trummer | Oreca 07 Gibson |
| 14 | 26 | LMP2 | D | G-Drive Racing | Roman Rusinov Alex Lynn Pierre Thiriet | Oreca 07 Gibson |
| 15 | 27 | LMP2 | D | SMP Racing | Mikhail Aleshin Viktor Shaytar Sergey Sirotkin | Dallara P217 Gibson |
| 16 | 28 | LMP2 | D | TDS Racing | François Perrodo Emmanuel Collard Matthieu Vaxivière | Oreca 07 Gibson |
| 17 | 29 | LMP2 | D | Racing Team Nederland | Rubens Barrichello Frits van Eerd Jan Lammers | Dallara P217 Gibson |
| 18 | 31 | LMP2 | D | Vaillante Rebellion | Nicolas Prost Bruno Senna Julien Canal | Oreca 07 Gibson |
| 19 | 32 | LMP2 | D | United Autosports | Will Owen Hugo de Sadeleer Filipe Albuquerque | Ligier JS P217 Gibson |
| 20 | 33 | LMP2 | D | Eurasia Motorsport | Jacques Nicolet Pierre Nicolet Erik Maris | Ligier JS P217 Gibson |
| 21 | 34 | LMP2 | D | Tockwith Motorsports | Phil Hanson Nigel Moore Karun Chandhok | Ligier JS P217 Gibson |
| 22 | 35 | LMP2 | D | Signatech Alpine | Nelson Panciatici Pierre Ragues Andre Negrao | Alpine A470 |
| 23 | 36 | LMP2 | D | Signatech Alpine | Gustavo Menezes Romain Dumas Matt Rao | Alpine A470 |
| 24 | 37 | LMP2 | D | Jackie Chan DC Racing | David Cheng Tristan Gommendy Alex Brundle | Oreca 07 Gibson |
| 25 | 38 | LMP2 | D | Jackie Chan DC Racing | Ho Pin Tung Oliver Jarvis Thomas Laurent | Oreca 07 Gibson |
| 26 | 39 | LMP2 | D | GRAFF | Eric Trouillet Enzo Guibbert James Winslow | Oreca 07 Gibson |
| 27 | 40 | LMP2 | D | GRAFF | James Allen Richard Bradley Frank Matelli | Oreca 07 Gibson |
| 28 | 43 | LMP2 | M | Keating Motorsports | Ben Keating Jeroen Bleekemolen Ricky Taylor | Riley Mk. 30 Gibson |
| 29 | 45 | LMP2 | D | Algarve Pro Racing | Mark Patterson Matt McMurry Vincent Capillaire | Ligier JS P217 Gibson |
| 30 | 47 | LMP2 | D | Cetilar Villorba Corse | Andrea Belicchi Roberto Lacorte Giorgio Sernagiotto | Dallara P217 Gibson |
| 31 | 49 | LMP2 | M | ARC Bratislava | Miro Konopka Konstantins Calko Rik Breukers | Ligier JS P217 Gibson |
| 32 | 51 | GTE PRO | M | AF Corse | Alessandro Pier Guidi James Calado Lucas Di Grassi | Ferrari 488 GTE |
| 33 | 63 | GTE PRO | M | Corvette Racing | Jan Magnussen Antonio Garcia Jordan Taylor | Corvette C7.R |
| 34 | 64 | GTE PRO | M | Corvette Racing | Oliver Gavin Tommy Milner Marcel Fässler | Corvette C7.R |
| 35 | 66 | GTE PRO | M | Ford Chip Ganassi Team UK | Olivier Pla Stefan Mucke Billy Johnson | Ford GT |
| 36 | 67 | GTE PRO | M | Ford Chip Ganassi Team UK | Andy Priaulx Harry Tincknell Pipo Derani | Ford GT |
| 37 | 68 | GTE PRO | M | Ford Chip Ganassi Team USA | Joey Hand Tony Kanaan Dirk Muller | Ford GT |
| 38 | 69 | GTE PRO | M | Ford Chip Ganassi Team USA | Ryan Briscoe Scott Dixon Richard Westbrook | Ford GT |
| 39 | 71 | GTE PRO | M | AF Corse | Davide Rigon Sam Bird Miguel Molina | Ferrari 488 GTE |
| 40 | 82 | GTE PRO | M | Risi Competizione | Toni Vilander Giancarlo Fisichella Pierre Kaffer | Ferrari 488 GTE |
| 41 | 91 | GTE PRO | M | Porsche GT Team | Richard Lietz Frederic Makowiecki Patrick Pilet | Porsche 911 RSR |
| 42 | 92 | GTE PRO | M | Porsche GT Team | Michael Christensen Kevin Estre Dirk Werner | Porsche 911 RSR |
| 43 | 95 | GTE PRO | D | Aston Martin Racing | Nicki Thiim Marco Sorensen Richie Stanway | Aston Martin Vantage GTE |
| 44 | 97 | GTE PRO | D | Aston Martin Racing | Jonny Adam Darren Turner Daniel Serra | Aston Martin Vantage GTE |
| 45 | 50 | GTE AM | M | Larbre Competition | Romain Brandela Fernando Rees Christian Philippon | Corvette C7.R |
| 46 | 54 | GTE AM | M | Spirit of Race | Thomas Flohr Francesco Castellaci Olivier Beretta | Ferrari 488 GTE |
| 47 | 55 | GTE AM | M | Spirit of Race | Duncan Cameron Aaron Scott Marco Cioci | Ferrari 488 GTE |
| 48 | 60 | GTE AM | M | Clearwater Racing | Richard Wee Alvaro Parente Hiroki Katoh | Ferrari 488 GTE |
| 49 | 61 | GTE AM | M | Clearwater Racing | Matt Griffin Kieta Sawa Mok Weng Sun | Ferrari 488 GTE |
| 50 | 62 | GTE AM | M | Scuderia Corsa | Cooper MacNeil Bill Sweedler Townsend Bell | Ferrari 488 GTE |
| 51 | 65 | GTE AM | M | Scuderia Corsa | Christina Nielsen Alessandro Balzan Bret Curtis | Ferrari 488 GTE |
| 52 | 77 | GTE AM | D | Dempsey Proton Racing | Christian Ried Matteo Cairoli Marvin Dienst | Porsche 911 RSR |
| 53 | 83 | GTE AM | M | DH Racing | Tracy Krohn Nic Jonsson Andrea Bertolini | Ferrari 488 GTE |
| 54 | 84 | GTE AM | M | JMW Motorsport | Rob Smith Will Stevens Dries Vanthoor | Ferrari 488 GTE |
| 55 | 86 | GTE AM | D | Gulf Racing | Michael Wainwright Nick Foster Ben Barker | Porsche 911 RSR |
| 56 | 88 | GTE AM | D | Proton Competition | Klaus Bachler Stephane Lemeret Khaled Al Qubaisi | Porsche 911 RSR |
| 57 | 90 | GTE AM | D | TF Sport | Salih Yoluc Euan Hankey Rob Bell | Aston Martin V8 Vantage |
| 58 | 93 | GTE AM | D | Proton Competition | Patrick Long Abdulaziz Al Faisal Mike Hedlund | Porsche 911 RSR |
| 59 | 98 | GTE AM | D | Aston Martin Racing | Paul Dalla Lana Pedro Lamy Mathias Lauda | Aston Martin Vantage GTE |
| 60 | 99 | GTE AM | D | Beechdean AMR | Andrew Howard Ross Gunn Oliver Bryant | Aston Martin Vantage GTE |