The 1999 MBNA Platinum 400 was the 13th stock car race of the 1999 NASCAR Winston Cup Series season and the 31st iteration of the event.

[3] Kenny Wallace, driving for Andy Petree Racing, would set the fastest time in the session, with a lap of 22.678 and an average speed of 158.744 mph (255.474 km/h).

[3] Mark Martin, driving for Roush Racing, would set the fastest time in the session, with a lap of 22.677 and an average speed of 158.751 mph (255.485 km/h).

Dick Trickle, driving for LJ Racing, would set the fastest time in the session, with a lap of 23.100 and an average speed of 155.844 mph (250.807 km/h).

[3] The final practice session, sometimes referred to as Happy Hour, was held on Saturday, June 5, after the preliminary 1999 MBNA Platinum 200.

[3] Jeremy Mayfield, driving for Penske-Kranefuss Racing, would set the fastest time in the session, with a lap of 23.293 and an average speed of 154.552 mph (248.727 km/h).

[8] Bobby Labonte, driving for Joe Gibbs Racing, would win the pole, setting a time of 22.596 and an average speed of 159.320 miles per hour (256.401 km/h).