One of only 77 examples built with the 426 Hemi V8 / three-speed automatic combo, this 1970 Plymouth Superbird aims to fetch ...

The number isn't random, as Plymouth sent only one Superbird to every two dealers in the United States. The Road Runner in these photos is a real-deal RM23 car (full VIN is RM23N0A178152).

The Plymouth Superbird was a dominant force in the early '70s muscle car scene. Based on the Road Runner – an amazing muscle ...