The Buick Grand National Experiment, or the GNX for short, was a limited edition model from Buick that was released in 1987. The GNX traces its origins to the intensified efforts of the company ...

Kendrick Lamar’s GNX jumps back to No. 1 on the Billboard 200 albums chart, for a second week atop the list (rising 4-1 on the survey dated Feb. 22), following his Super Bowl halftime show (Feb.