Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

Ford announced the birth of the Mustang GT3 customer racing program. Last year, the car made its debut to lackluster results, ...

Tommy Milner said the blocking incident with Paul Miller Racing’s Augusto Farfus in the Rolex 24 at Daytona is “not what IMSA ...

Ben Keating says the introduction of a GTD Pro-GTD class split for this year’s Rolex 24 at Daytona will provide him with a ...

The sun is beginning to set over Daytona International Speedway to the benefit of Porsche Penske Motorsport. With four hours ...

The Rolex 24 win adds to Team Penske's recent string of successes, including the 2024 IMSA GTP title, back-to-back ...

Corvette Racing won the GTD class in the 2025 Rolex 24 Hours of Daytona, while in the GTD Pro class, its speed was hampered ...

This is the marquee class in IMSA ... GTD’s Pro class generally sees more manufacturer support and driver lineups consisting of more experienced and accomplished racers. These cars have ...

Pfaff Motorsports and Forte Racing also miss out on strong results after accident damage Powertrain failure cuts short first ...

Can you tell the differences between the two prototypes in the Rolex 24? How about GTD and GTD Pro? This might help. Or might ...