Mazda Raceway Laguna Seca 2018
IMSA WeatherTech SportsCar Championship round 12, United States, 7 - 9 September 2018
Mazda Raceway Laguna Seca 2018
Friday 7 - Sunday 9 September 2018
IMSA WeatherTech SportsCar Championship

Entries
| No. | Class | Car | Entrants |
|---|---|---|---|
| 2 | PROTO | Nissan DPi | Nissan DPi |
| 3 | GTLM | Chevrolet Corvette C7.R | Chevrolet Corvette C7.R |
| 4 | GTLM | Chevrolet Corvette C7.R | Chevrolet Corvette C7.R |
| 5 | PROTO | Cadillac DPi | Cadillac DPi |
| 6 | PROTO | Acura DPi | Acura DPi |
| 7 | PROTO | Acura DPi | Acura DPi |
| 10 | PROTO | Cadillac DPi | Cadillac DPi |
| 14 | GTD | Lexus RC F GT3 | Lexus RC F GT3 |
| 15 | GTD | Lexus RC F GT3 | Lexus RC F GT3 |
| 22 | PROTO | Nissan DPi | Nissan DPi |
| 24 | GTLM | BMW M8 GTE | BMW M8 GTE |
| 25 | GTLM | BMW M8 GTE | BMW M8 GTE |
| 31 | PROTO | Cadillac DPi | Cadillac DPi |
| 33 | GTD | Mercedes-Benz AMG GT3 | Mercedes-Benz AMG GT3 |
| 44 | GTD | Audi R8 LMS GT3 | Audi R8 LMS GT3 |
| 48 | GTD | Lamborghini Huracan GT3 | Lamborghini Huracan GT3 |
| 51 | GTD | 2018 Ferrari 488 GT3 chassis 4428 ? | 2018 Ferrari 488 GT3 |
| 52 | PROTO | Ligier LMP2 | Ligier LMP2 |
| 54 | PROTO | ORECA LMP2 | ORECA LMP2 |
| 55 | PROTO | Mazda DPi | Mazda DPi |
| 58 | GTD | Porsche 911 GT3 R | Porsche 911 GT3 R |
| 63 | GTD | Ferrari 488 GT3 chassis 4426 | Ferrari 488 GT3 |
| 64 | GTD | Ferrari 488 GT3 chassis 3808 | Ferrari 488 GT3 converted 488 GTE |
| 66 | GTLM | Ford GT | Ford GT |
| 67 | GTLM | Ford GT | Ford GT |
| 73 | GTD | Porsche 911 GT3 R | Porsche 911 GT3 R |
| 77 | PROTO | Mazda DPi | Mazda DPi |
| 85 | PROTO | ORECA LMP2 | ORECA LMP2 |
| 86 | GTD | Acura NSX GT3 | Acura NSX GT3 |
| 93 | GTD | Acura NSX GT3 | Acura NSX GT3 |
| 96 | GTD | BMW M6 GT3 | BMW M6 GT3 |
| 99 | PROTO | ORECA LMP2 | ORECA LMP2 |
| 911 | GTLM | Porsche 911 RSR | Porsche 911 RSR |
| 912 | GTLM | Porsche 911 RSR | Porsche 911 RSR |