
IMSA Classes Explained: GTP, LMP2, GTD Pro and GTD
The four IMSA classes at a glance: what GTP, LMP2, GTD Pro and GTD mean, which cars and drivers compete — and how the classes differ technically.
Manufacturers
GM's luxury brand as a serious prototype manufacturer — DPi and GTP programs that shape Daytona, Sebring and the IMSA season.
Connections

The four IMSA classes at a glance: what GTP, LMP2, GTD Pro and GTD mean, which cars and drivers compete — and how the classes differ technically.

Does the IMSA overall champion get an entry to the 24 Hours of Le Mans? The rules on automatic invitations, GTP/Hypercar convergence and crossing over, explained.

Toyota wins Le Mans 2026 — and for the first time in years is also the fastest car. Manufacturer pace, reliability and the closing phase, analyzed hour by hour.

Porsche didn't race at Le Mans in 2026. What does the data say: could the further-developed 963 have beaten Toyota? A carefully bounded what-if model with clearly stated uncertainties.

Le Mans and Daytona, three seasons, the same metrics: what connects WEC and IMSA at 24-hour races — and how both series changed from 2024 to 2026.

Porsche Penske wins the Rolex 24 for the third straight year — in the series' closest finish yet. Pace, reliability, and race dynamics under the data microscope.

Daytona 24 Hours: the Daytona International Speedway — high-speed banking plus a tight infield course. Circuit, character and history of the Rolex 24.

Le Mans 24 Hours: the Circuit de la Sarthe — 13.6 km, half public road, half permanent race track. The circuit of the 24-hour race.

The IMSA SportsCar Championship is America's sports car series. What GTP, LMP2, GTD mean — and why Daytona, Sebring and Petit Le Mans are must-watch events.

The WEC is the international sports car world championship with Le Mans as its crown. What Hypercar, LMP2 and LMGT3 mean — and why the WEC is the most exciting series of the present day.

All overall winners of the 24 Hours of Daytona (Rolex 24) from 1962 to 2025 — with drivers, car and team. Including the early Daytona Continental years and the 1974 race that was not held.

Ferrari defends Le Mans 2025 with the #83 AF Corse — and is also the fastest manufacturer. Pace, reliability and an eventful closing phase in the data check.

Porsche Penske defends the Rolex 24 in 2025 — in the most chaotic finish of the series and with the tightest class spread of all six analyzed races.

Ferrari wins Le Mans 2024 — even though Toyota fields the fastest car. The pace paradox, brutal Hypercar attrition, and the night myth put to the data test.

Porsche wins the Rolex 24 in 2024 with the #7 Penske — zero retirements in the GTP class and a photo finish. Pace, reliability and race dynamics under the data lens.
Cadillac and the directly connected manufacturers, series, circuits and drivers. Open in the full graph →