| No | Class | Tyres | Team | Driver | Car | |
|---|---|---|---|---|---|---|
| 1 | 1 | LMP1 | M | Rebellion Racing | Andre Lotterer Neel Jani Bruno Senna | Rebellion R13 Gibson |
| 2 | 3 | LMP1 | M | Rebellion Racing | Thomas Laurent Mathias Beche Gustavo Menezes | Rebellion R13 Gibson |
| 3 | 4 | LMP1 | M | ByKolles Racing Team | Oliver Webb | CLM P1/01 Nissan |
| 4 | 5 | LMP1 | M | TRSM | Oliver Rowland | Ginetta G60-LT-P1 Mecachrome |
| 5 | 6 | LMP1 | M | TRSM | Charlie Robertson | Ginetta G60-LT-P1 Mecachrome |
| 6 | 7 | LMP1 | M | Toyota Gazoo Racing | Mike Conway Kamui Kobayashi José María Lopez | Toyota TS050 Hybrid |
| 7 | 8 | LMP1 | M | Toyota Gazoo Racing | Fernando Alonso Sebastien Buemi Kazuki Nakajima | Toyota TS050 Hybrid |
| 8 | 10 | LMP1 | M | DragonSpeed | Henrik Hedman Ben Hanley Renger van der Zande | BR1 Gibson |
| 9 | 11 | LMP1 | M | SMP Racing | Vitaly Petrov | BR1 AER |
| 10 | 17 | LMP1 | M | SMP Racing | Mikhail Aleshin | BR1 AER |
| 11 | 28 | LMP2 | D | TDS Racing | François Perrodo Matthieu Vaxiviere Loïc Duval | Oreca 07 Gibson |
| 12 | 29 | LMP2 | D | Racing Team Nederland | Frits van Eerd Giedo van der Garde Jan Lammers | Dallara P217 Gibson |
| 13 | 31 | LMP2 | D | DragonSpeed | Roberto Gonzalez | Oreca 07 Gibson |
| 14 | 36 | LMP2 | D | Signatech Alpine | Nicolas Lapierre André Negrão Pierre Thiriet. | Alpine A470 Gibson |
| 15 | 37 | LMP2 | D | Jackie Chan DC Racing | Jazeman Jaafar | Oreca 07 Gibson |
| 16 | 38 | LMP2 | D | Jackie Chan DC Racing | Ho-Pin Tung | Oreca 07 Gibson |
| 17 | 50 | LMP2 | D | Larbre Competition | Erwin Creed Romano Ricci Fernando Rees | Ligier JS P217 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 | Ford GT |
| 20 | 67 | GTE PRO | M | Ford Chip Ganassi Team UK | Andy Priaulx Harry Tincknell | Ford GT |
| 21 | 71 | GTE PRO | M | AF Corse | Davide Rigon Sam Bird | Ferrari 488 GTE |
| 22 | 81 | GTE PRO | M | BMW Team MTEK | Antonio Felix da Costa | BMW M8 GTE |
| 23 | 82 | GTE PRO | M | BMW Team MTEK | BMW M8 GTE | |
| 24 | 91 | GTE PRO | M | Porsche GT Team | Richard Lietz Gianmaria Bruni | Porsche 911 RSR |
| 25 | 92 | GTE PRO | M | Porsche GT Team | Michael Christensen Kevin Estre | Porsche 911 RSR |
| 26 | 95 | GTE PRO | M | Aston Martin Racing | Nicki Thiim Marco Sorensen | Aston Martin Vantage GTE (2017) |
| 27 | 97 | GTE PRO | M | Aston Martin Racing | Alex Lynn Maxime Martin | Aston Martin Vantage GTE (2017) |
| 28 | 54 | GTE AM | M | Spirit of Race | Thomas Flohr Francesco Castellaci Giancarlo Fisichella | Ferrari 488 GTE |
| 29 | 56 | GTE Am | Project 1 | Egidio Perfetti Patrick Lindsey Jörg Bergmeister | Porsche 911 RSR | |
| 30 | 61 | GTE AM | M | Clearwater Racing | Matt Griffin Kieta Sawa Mok Weng Sun | Ferrari 488 GTE |
| 31 | 70 | GTE AM | M | MR Racing | Motoaki Ishikawa Olivier Beretta Eddie Cheever III | Ferrari 488 GTE |
| 32 | 77 | GTE AM | D | Dempsey Proton Racing | Matteo Cairoli | Porsche 911 RSR |
| 33 | 86 | GTE AM | D | Gulf Racing | Michael Wainwright Ben Barker | Porsche 911 RSR |
| 34 | 88 | GTE AM | Dempsey Proton Racing | Matt Campbell | Porsche 911 RSR | |
| 35 | 90 | GTE AM | TF Sport | Salih Yoluc Euan Hankey Charlie Eastwood | Aston Martin V8 Vantage | |
| 36 | 98 | GTE AM | D | Aston Martin Racing | Paul Dalla Lana Pedro Lamy Mathias Lauda | Aston Martin V8 Vantage |