The Series’ fastest class has the
most scope for pure, race-bred
development. The GT category is
for coupe, sedan and convertible
body styles that are typically
considered to be “sports cars.”
FIA GT3 homologated cars
are allowed, and make up the
majority of the field. Forced
induction is permitted on cars that come equipped with forced
induction stock, or on cars that SCCA Pro Racing has determined
need help reaching the target horsepower range from 425 to 525hp.
Weight varies depending on power output and tire size. All GT class
cars are rear-wheel drive or all-wheel drive.
GTA is a driver classification, rather than a car classification. It’s
for professional drivers who do not make their primary living from
racing. They compete in GT machinery, but have their own
This class is exclusively for the 2015
spec (991) Porsche GT3 Cup cars.
These cars run in conjunction with the
GT class race, but compete in their
While the styles of cars eligible for
the GTS class are either a coupe,
sedan or convertible typically referred
to as “sports cars” or “performance
sedans,” they are less powerful and
have slightly more restrictions on car
development than their GT-class brethren. GTS cars can be normally
aspirated or use forced induction if it comes as stock, and can
include front-wheel drive configurations. Power output ranges from
300 to 400hp. GTS cars race in a standalone class.
Pirelli World Challenge Class Structure
K-Pax Racing returns with the proven
McLaren 650S but an all-new driver
lineup featuring Austin Cindric, Alvaro
Parente and Colin Thomson.
Grand Touring (GT) and Grand Touring Sportsman (GTA) GT Cup
Grand Touring Sport (GTS)
2016 PIRELLI WORLD CHALLENGE SEASON PREVIEW