the only normally aspirated GTP engines, can apply an additional 2.4% of its newly upgraded base power of 500 kilowatts (671 hp). Icon Sportswire//Getty Images The #24 BMW M Team RLL BMW M Hybrid ...

Five international manufacturers supply the machines and most of the technological support for this group: Porsche, Cadillac, BMW, Acura and ... by internal combustion engines. These prototypes are ...

Dries Vanthoor discusses the challenges of a shortened qualifying session after giving BMW GTP their first pole at the Rolex 24 and what to expect from the varying conditions during the race.

Within IMSA’s GTP class, cars built to LMDh rules are fielded by Acura, BMW, Cadillac ... starting with Bob Riley’s front-engine Mustang GTP in 1981, which won on its debut, and it was ...

Five international manufacturers supply the machines and most of the technological support for this group: Porsche, Cadillac, BMW, Acura and, new this year, Lamborghini. These space-age machines ...