Pontiac concept car

The 1978 Pontiac Sunbird Special, a styling exercise displayed at the 1978 Chicago Auto Show, as recently discovered on a Duluth, Minn., street.

1978 Pontiac show car found on Duluth street

Old Cars Weekly reader Steve Isola was minding his own business, walking through Duluth, Minn., Aug. 10 when he stumbled upon this little silver Pontiac. Most people would have just assumed it was a regular ol’ Sunbird with the fancy paint package, but Isola knew it was different. The Pontiac’s “concept” license plates verified...