The 1984 NASCAR Winston Cup Season began on Sunday February 19 and ended on Sunday November 18. Terry Labonte was crowned champion at the end of the season. This was the final year for Chrysler until Dodge returned in 2001.
Cale Yarborough completed a lap of 201.848 mph (324.828 km/h), officially breaking the 200 mph barrier at Daytona. He drafted past Darrell Waltrip on the final lap, winning for the second year in a row, and fourth time in his career. Richard Petty, making his debut with Curb Motorsports, stormed from 34th to lead over 20 laps before a camshaft broke.
Ricky Rudd, still sporting swelling in his face from his bad Daytona crash, ran down Darrell Waltrip for his first win with Bud Moore Engineering.
Bobby Allison grabbed his first win of the season, while a vicious four-car crash swept up rookie Rusty Wallace on Lap 372; the guardrail was damaged to where it took half an hour to repair it. Before the race controversy erupted between the track and sponsor Warner Hodgdon over late payment of sponsorship fees; the fees were paid in full March 19.