Twitch
iRacing

IMSA GTP Tierlist Open Setup

11 tracks6 carsSeason 26S4As of 23 Oct 2026

The fastest GTP lap times of the current iRacing Season, track by track. Each car lands in a tier based on its gap to the best time: same time, same tier.

When does it run? Go to the iRacing calendar iRacing Special Events 2026 Cost plan to A license

  • S
  • A
  • B
  • C
  • D
  • E
  • S = fastest group, each further group one tier lower

Indianapolis Motor Speedway

CurrentSeason 26S4
Indianapolis Motor Speedway
1BMWM Hybrid V8S Tier1:15.370Best time
2CadillacV-Series.R GTPA Tier1:15.503+0.133
3Porsche963 GTPB Tier1:15.600+0.230
4Ferrari499PC Tier1:15.615+0.245
5AcuraARX-06 GTPD Tier1:15.672+0.302
6Aston MartinValkyrie AMR-LMHE Tier1:15.681+0.311
Back to top

Road Atlanta

CurrentSeason 26S4
Road Atlanta
1BMWM Hybrid V8S Tier1:08.595Best time
2CadillacV-Series.R GTPA Tier1:08.627+0.032
3AcuraARX-06 GTPB Tier1:08.831+0.236
4Ferrari499PC Tier1:08.947+0.352
5Aston MartinValkyrie AMR-LMHD Tier1:08.977+0.382
6Porsche963 GTPE Tier1:08.982+0.387
Back to top

Fuji International Speedway

CurrentSeason 26S4
Fuji International Speedway
1AcuraARX-06 GTPS Tier1:29.137Best time
2BMWM Hybrid V8A Tier1:29.173+0.036
3CadillacV-Series.R GTPB Tier1:29.249+0.112
4Porsche963 GTPC Tier1:29.331+0.194
5Aston MartinValkyrie AMR-LMHD Tier1:29.469+0.332
6Ferrari499PE Tier1:29.500+0.363
Back to top

Red Bull Ring

CurrentSeason 26S4
Red Bull Ring
1AcuraARX-06 GTPS Tier1:19.333Best time
2CadillacV-Series.R GTPA Tier1:19.365+0.032
3BMWM Hybrid V8B Tier1:19.413+0.080
4Aston MartinValkyrie AMR-LMHC Tier1:19.587+0.254
5Porsche963 GTPD Tier1:19.635+0.302
6Ferrari499PE Tier1:19.814+0.481
Back to top

Long Beach Street Circuit

CurrentSeason 26S4
Long Beach Street Circuit
1BMWM Hybrid V8S Tier1:10.823Best time
2AcuraARX-06 GTPA Tier1:10.979+0.156
3CadillacV-Series.R GTPB Tier1:11.106+0.283
4Aston MartinValkyrie AMR-LMHC Tier1:11.121+0.298
5Porsche963 GTPD Tier1:11.237+0.414
6Ferrari499PE Tier1:11.273+0.450
Back to top

Circuit Gilles Villeneuve

CurrentSeason 26S4
Circuit Gilles Villeneuve
1AcuraARX-06 GTPS Tier1:24.052Best time
2BMWM Hybrid V8A Tier1:24.084+0.032
3Aston MartinValkyrie AMR-LMHB Tier1:24.091+0.039
4CadillacV-Series.R GTPC Tier1:24.183+0.131
5Porsche963 GTPD Tier1:24.378+0.326
6Ferrari499PE Tier1:24.582+0.530
Back to top

Circuit des 24 Heures du Mans

CurrentSeason 26S4
Circuit des 24 Heures du Mans
1BMWM Hybrid V8S Tier3:21.986Best time
2Ferrari499PA Tier3:22.248+0.262
3AcuraARX-06 GTPB Tier3:22.328+0.342
4CadillacV-Series.R GTPC Tier3:22.329+0.343
5Porsche963 GTPD Tier3:22.606+0.620
6Aston MartinValkyrie AMR-LMHE Tier3:22.873+0.887
Back to top

Autódromo Hermanos Rodríguez

Not currentTimes from Season 26S1

No times in the current Season yet. You're seeing the times from Season 26S1. The order may still change.

Autódromo Hermanos Rodríguez
1Porsche963 GTPS Tier1:33.415Best time
2BMWM Hybrid V8A Tier1:33.500+0.085
3AcuraARX-06 GTPB Tier1:33.703+0.288
4CadillacV-Series.R GTPC Tier1:33.735+0.320
5Ferrari499PD Tier1:34.012+0.597
Aston MartinValkyrie AMR-LMHNo time
Back to top

Silverstone Circuit

Not currentTimes from Season 26S2

No times in the current Season yet. You're seeing the times from Season 26S2. The order may still change.

Silverstone Circuit
1Ferrari499PS Tier1:45.190Best time
2BMWM Hybrid V8A Tier1:45.414+0.224
3Porsche963 GTPB Tier1:45.424+0.234
4CadillacV-Series.R GTPC Tier1:45.444+0.254
5AcuraARX-06 GTPD Tier1:45.698+0.508
Aston MartinValkyrie AMR-LMHNo time
Back to top

Sebring International Raceway

Not currentTimes from Season 26S2

No times in the current Season yet. You're seeing the times from Season 26S2. The order may still change.

Sebring International Raceway
1Ferrari499PS Tier1:45.474Best time
2AcuraARX-06 GTPA Tier1:45.718+0.244
3Porsche963 GTPB Tier1:45.767+0.293
4CadillacV-Series.R GTPC Tier1:45.822+0.348
BMWM Hybrid V8No time
Aston MartinValkyrie AMR-LMHNo time
Back to top

Autodromo Nazionale Monza

Not currentTimes from Season 26S3

No times in the current Season yet. You're seeing the times from Season 26S3. The order may still change.

Autodromo Nazionale Monza
1CadillacV-Series.R GTPS Tier1:33.174Best time
2Ferrari499PA Tier1:33.292+0.118
3BMWM Hybrid V8B Tier1:33.294+0.120
4AcuraARX-06 GTPC Tier1:33.372+0.198
5Porsche963 GTPD Tier1:33.449+0.275
Aston MartinValkyrie AMR-LMHNo time
Back to top