Audi Motorsport 18 Audi R8 LMS cars at the season opener in Monza

Audi Sport customer racing has never been so strongly represented in the European racing series of promoter SRO (Stéphane Ratel Organization) as in the 2021 season. A total of nine of the brand’s customer teams will field three different types of race cars in three racing series at the inaugural weekend at Monza from April 16 to 18. Eight Audi R8 LMS GT4 cars will compete in the GT4 European Series, three GT2 versions in the new GT2 European Series and seven GT3 versions in the GT World Challenge Europe Endurance Cup.

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[KiwiRob]

What’s the differences between the GT2, GT3 and GT4 versions

 

[Matski]

What’s the differences between the GT2, GT3 and GT4 versions

They're all the 5.2l V10 driving the back wheels, GT4 is the least powerful with the most weight, GT2 adds a bunch of power and some more aero, GT3 is the lightest and the most highly developed, albeit not the most powerful.