The new addition to the Grand Touring Prototype category will pit a roaring engine against a field of hybrids as the prototype platform from the WEC Series makes its IMSA debut.

IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...

The Florida race will mark the IMSA debut of Aston Martin’s new Valkyrie ... with Aston Martin joined by Porsche, Cadillac, BMW, Acura and Lamborghini. Honda sportscar brand Acura is the ...

The famed concrete surface and the notorious, legendary bumps of Sebring International Raceway greet the IMSA WeatherTech ...

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AO Racing’s “Rexy” will have a new look for next week’s Mobil 1 Twelve Hours of Sebring after a much-needed trip to the dentist. (…) ...