This weekend, the Aston Martin Valkyrie makes its IMSA debut at the Mobil 1 12 Hours of Sebring. To get fans pumped for the ...

The TCR class will remain part of the IMSA Michelin Pilot Challenge until at least the 2028 season as part of a new agreement ...

In a rolling tale by GTP drivers, engineers, and officials who survived the era, Road & Track explores the rise and fall of IMSA’s downforce kings from the early Nineties.

A Swedish Audi fanatic seems to think so, too, and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version of that car. Not wanting to go the stripe-and-bodykit route ...

What are the differences between these very similar sports car prototype categories ... the World Endurance Championship’s Hypercars and IMSA’s LMDh category has attracted an unprecedented ...

A good thing just got better, as the International Motor Sports Association (IMSA) and WSC Group today announced an extension of the partnership that will see the Touring Car (TCR) class remain a part ...