Welcome to the RACER Mailbag. Questions for any of RACER’s writers can be sent to mailbag@racer.com. We love hearing your ...

Hélio Castroneves, this year’s Amelia Concours d’Elegance honoree, has been racing, and winning, for almost 40 years in ...

Founded in 1908 by William Durant as a holding company for Buick, General Motors rapidly expanded through ... and the North American International Motor Sports Association (IMSA) series. However, ...

The Buick Envista, Encore ... the show by branding the ICE track and stocking a display with IndyCars and IMSA cars that will compete in the June race. On Friday, Jan. 17, the Detroit GP will ...

AWA and drivers Matt Bell, Orey Fidani, Lars Kern and Martin Kirchhöfer captured the GT Daytona (GTD) victory in the Rolex 24 ...

Cadillac Racing has amassed four Manufacturer Championships and five IMSA Michelin Endurance Cup ... and SUVs. GM’s Buick, Cadillac, Chevrolet, and GMC brands offer a broad portfolio ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

Off-season changes in GTD Pro division of the IMSA Championship promise to make the title chase highly competitive in 2025. “Every driver in this lineup has won with us and we’re laser focused ...

Two Valkyrie Hypercars will compete in WEC, and one will compete in IMSA. Like the road car, the racer sports a 6.5-liter naturally-aspirated V12. This year’s 24 Hours of Le Mans is shaping up ...

The Buick of today is very different from the Buick of decades past. With a lineup made up entirely of crossovers that are largely forgettable (though the Envista is a looker and a great value ...

Increased opportunities are part of the rising tide created by the convergence of hybrid prototype rules between IMSA and the World Endurance Championship. The demand for drivers is fueled in part ...

IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction. The win was awarded to runner-up United Autosports. United is co-owned by ...