The 1989 Miller High Life 400 was the 14th stock car race of the 1989 NASCAR Winston Cup Series season and the 21st iteration of the event.

On the final restart with 11 laps left in the race, Melling Racing driver Bill Elliott would manage to fend off the field and secure his 30th career NASCAR Winston Cup Series victory and his first victory of the season.

It is known as a "sister track" to Texas World Speedway as MIS's oval design was a direct basis of TWS, with moderate modifications to the banking in the corners, and was used as the basis of Auto Club Speedway.

Michigan International Speedway is recognized as one of motorsports' premier facilities because of its wide racing surface and high banking (by open-wheel standards; the 18-degree banking is modest by stock car standards).

Ken Schrader, driving for Hendrick Motorsports, would win the pole, setting a time of 41.207 and an average speed of 174.728 miles per hour (281.197 km/h) in the first round.