I never heard of this.
Only 20 were made.
https://macsmotorcitygarage.com/wait-this-is-a-dodge-aspen-the-1977-80-monteverdi-sierra/
Only 20 were made.
https://macsmotorcitygarage.com/wait-this-is-a-dodge-aspen-the-1977-80-monteverdi-sierra/