Ryan Newman, left, celebrates a win at Phoenix International Raceway. (AP Photo/Ralph Freso)

PHOENIX (AP) -- Ryan Newman's victory in the NASCAR Cup Series race at Phoenix International Raceway on Sunday capped a huge weekend for Chevrolet.

The American automaker also celebrated wins in the Xfinity Series race at Phoenix, at the NHRA Gatornationals and at Twelve Hours of Sebring.

Justin Allgaier won the Xfinity race for JR Motorsports, ending an 80-race winless streak. Sixteen-time NHRA champion John Force won in Gainesville, Florida, for the first time since 2001 and the eighth time overall. Shane Gray continued Chevy's dominance in the Pro Stock class. And Antonio Garcia, Jan Magnussen and Mike Rockenfeller put a Corvette Racing C7.R in victory lane in Sebring, Florida.

The General Motors brand also celebrated the overall victory at Sebring with a win from its Cadillac entry.