TUDOR Championship Classes

Rolex 24

The TUDOR United SportsCar Championship combines the best of both worlds from the GRAND-AM Rolex Series and the American Le Mans Series. (Photo: Courtesy of IMSA)

The TUDOR United SportsCar Championship combines the best of both worlds from the GRAND-AM Rolex Series and the American Le Mans Series. To help delineate the classes, each car will use standardized number panels with colored backgrounds identifying each class.

Classes
The TUDOR United SportsCar Championship features two styles of cars, Prototype and GT (Grand Touring). Each style of car has two classes, Pro and Pro-Am, meaning there are four classes of racing on track together, each with their own battle for the lead.

Pro vs Pro-Am
The Pro classes typically feature a professional driver line up while the Pro-Am classes pair a professional and amateur driver together
.

Prototype

Prototype (P)
Combining GRAND-AM Prototypes, ALMS P2 and DeltaWing cars, the Prototype class features the fastest and most technologically advanced cars in North America, capable of speeds in excess of 200 mph. The Prototype class cars utilize red number panels, rear end plates and leader lights. All cars use Continental Tires.

Corvette DP (pictured)
Nissan ORECA (pictured)
DeltaWing DWC13 (pictured)
HPD ARX-03b
Nissan Morgan
Ford EcoBoost/Riley
Dinan/Riley
Mazda SkyActiv-D

Spotters Guide (pdf)


Prototype Challenge (PC)Prototype Challenge
Retained from the ALMS class structure, Prototype Challenge is a spec class featuring open-cockpit race cars and technology such as carbon fiber chassis, carbon brakes and a sequential gearbox. All PC cars utilize blue number panels, rear end plates and leader lights. All cars use Continental Tires.

ORECA FLM09

Spotters Guide (pdf)

GT Le Mans (GTLM)GTLM
Utilizing the same rules package as the GTE-Pro class at the 24 Hours of Le Mans, GT Le Mans machines are the most elite and fastest GT cars on the track, but are still based on production models. A true proving ground for leading manufacturers, GTLM cars are capable of speeds in excess of 180 mph. The GTLM class features open competition among the tire manufacturers. All cars use red number panels, rear end plates and leader lights.

SRT Viper GTS-R (pictured)
Porsche 911 RSR (pictured)
Chevrolet Corvette C7.R (pictured)
Aston Martin Vantage V8
BMW Z4 GTE
Ferrari F458 GT

Spotters Guide (pdf)



GT Daytona (GTD)GTD
Consisting of cars from the GRAND-AM GT, GX and ALMS GTC classes, as well as select GT3-spec cars, GT Daytona cars are enhanced (not defined by) technology. All GTD class cars utilize blue number panels, rear end plates and leader lights. All cars use Continental Tires.

Aston Martin V12 Vantage (pictured)
Audi R8 LMS
Ferrari 458 Italia
SRT Viper GT3-R
BMW Z4
Porsche 911 GT America

Spotters Guide (pdf)

Photos: 1-4 (Getty Images); 5-8 (Courtesy of IMSA)

Race Center

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@ Circuit of the Americas
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Radio Start:
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