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.

There are several “firsts” that the Aston Martin Valkyrie brings to IMSA and to Saturday’s Mobil 1 Twelve Hours of Sebring ...

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

Aston Martin is gearing ... a single entry in IMSA, starting with the second round of the season in Florida on 15 March. Its hypercar contender is based on the Valkyrie AMR-Pro track-day car ...

Motorsport Week picked out five key storylines from a thrilling 73rd edition of the IMSA SportsCar Championship's 12 Hours of ...

Dries Vanthoor stormed to pole for the Mobil 1 Twelve Hours of Sebring following a late session shootout in GTP qualifying ...

Laurin Heinrich and AO Racing's 'Rexy' Porsche 911 GT3.R charged to GTD Pro class victory at the 73rd running of ...

Nasr, in the No. 7 Penske Porsche 963, held a 1.959-second lead over Bamber’s No. 31 Action Express Racing Cadillac ...

Porsche takes its first overall victory at Sebring in 17 years as the Nasr, Vanthoor, and Tandy trio goes back to back to ...

The 73rd Mobil 1 Twelve Hours of Sebring is now at halfway, and the No. 7 Porsche Penske Motorsport 963 took the lead in the last few minutes. Felipe Nasr pounced on the No. 31 Cadillac Whelen ...

Dries Vanthoor hadn’t raced around Sebring International Raceway before this week, but you wouldn’t be able to tell — not ...