| 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 Team | Timo Bernhard Earl Bamber Brendon Hartley | Porsche 919 Hybrid |
| 3 | 4 | LMP1 | M | ByKolles Racing Team | Oliver Webb Dominik Kraihamer James Rossiter | CLM P1/01 Nissan |
| 4 | 7 | LMP1 | M | Toyota Gazoo Racing | 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 | Stephane Sarrazin Yuji Kunimoto Nicolas Lapierre | Toyota TS050 |
| 7 | 13 | LMP2 | D | Vaillante Rebellion | Nelson Piquet Jnr Mathias Beche David Heinemeier-Hansson | Oreca 07 Gibson |
| 8 | 24 | LMP2 | D | CEFC MANOR TRS RACING | Tor Graves Jean-Eric Vergne Jonathan Hirschi | Oreca 07 Gibson |
| 9 | 25 | LMP2 | D | CEFC MANOR TRS RACING | Roberto Gonzalez Vitaly Petrov Simon Trummer | Oreca 07 Gibson |
| 10 | 26 | LMP2 | D | G-Drive Racing | Romain Rusinov Alex Lynn Pierre Thiriet | Oreca 07 Gibson |
| 11 | 38 | LMP2 | D | TDS Racing | François Perrodo Emmanuel Collard Ben Hanley | Oreca 07 Gibson |
| 12 | 31 | LMP2 | D | Vaillante Rebellion | Nicolas Prost Bruno Senna Julien Canal | Oreca 07 Gibson |
| 13 | 34 | LMP2 | D | Tockwith Motorsports | Nigel Moore Philip Hanson Karun Chandhok | Ligier JSP 217 Gibson |
| 14 | 35 | LMP2 | D | Signatech Alpine | Nelson Panciatici Pierre Ragues André Negrão | Alpine A470 |
| 15 | 36 | LMP2 | D | Signatech Alpine | Gustavo Menezes Romain Dumas Matt Rao | Alpine A470 |
| 16 | 37 | LMP2 | D | Jackie Chan DC Racing | David Cheng Tristan Gommendy Alex Brundle | Oreca 07 Gibson |
| 17 | 38 | LMP2 | D | Jackie Chan DC Racing | Ho Pin Tung Oliver Jarvis Thomas Laurent | Oreca 07 Gibson |
| 18 | 51 | GTE PRO | M | AF Corse | Alessandro Pier Guidi James Calado | Ferrari 488 GTE |
| 19 | 66 | GTE PRO | M | Ford Chip Ganassi Team UK | Olivier Pla Stefan Mucke Billy Johnson | Ford GT |
| 20 | 67 | GTE PRO | M | Ford Chip Ganassi Team UK | Andy Priaulx Harry Tincknell Pipo Derani | Ford GT |
| 21 | 71 | GTE PRO | M | AF Corse | Davide Rigon Sam Bird | Ferrari 488 GTE |
| 22 | 91 | GTE PRO | M | Porsche GT Team | Richard Lietz Frederic Makowiecki | Porsche 911 RSR |
| 23 | 91 | GTE PRO | M | Porsche GT Team | Michael Christensen Kevin Estre | Porsche 911 RSR |
| 24 | 95 | GTE PRO | D | Aston Martin Racing | Nicki Thiim Marco Sorensen Richie Stanway | Aston Martin Vantage |
| 25 | 97 | GTE PRO | D | Aston Martin Racing | Jonny Adam Darren Turner Daniel Serra | Aston Martin Vantage |
| 26 | 54 | GTE AM | M | Spirit of Race | Thomas Flohr Francesco Castellaci Miguel Molina | Ferrari 488 GTE |
| 27 | 61 | GTE AM | M | Clearwater Racing | Matt Griffin Kieta Sawa Mok Weng Sun | Ferrari 488 GTE |
| 28 | 77 | GTE AM | D | Dempsey Proton Racing | Christian Ried Matteo Cairoli Marvin Dienst | Porsche 911 RSR |
| 29 | 86 | GTE AM | D | Gulf Racing | Michael Wainwright Nick Foster Ben Barker | Porsche 911 RSR |
| 30 | 98 | GTE AM | D | Aston Martin Racing | Paul Dalla Lana Pedro Lamy Mathias Lauda | Aston Martin V8 Vantage |