Drivers and teams will have more than each other to contend with when the NASCAR Xfinity and Cup Series race this weekend at Autódromo Hermanos Rodríguez in Mexico City. They’ll also have to contend ...

NASCAR officials explain how the new 750-horsepower package affected tire wear, speed, and passing during the race at Phoenix ...

For months, maybe even years, fans, drivers, team owners, and industry members have been calling on NASCAR executives to add horsepower to the NASCAR Cup Series short track package, to improve the ...

AVONDALE, Ariz. — The cars sounded better than they felt during NASCAR's two-day test session at Phoenix Raceway. NASCAR invited six drivers to participate in the test to try to improve the ...

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at full throttle while still making headline power. The rulebook caps ...