Made me think of Janis Joplin - "Mercedes Benz" - short, but great. And at least by radio=play standards, pretty doggone obscure, but I suppose for Janis fans, not so much.
To a pimply kid with a black and white RCA TV, that show was kind of nirvana. So much so that I bought that Nelson Riddle album, just for that song. Still have it.
I don't see this one listed: Corvair baby by Paul Revere and the Raiders:
https://youtu.be/xbhY-0u1TnU
Sounds like an ad to me.
Roger Taylor has a bunch of songwriting credits with Queen. This is not his only one.
I thought maybe it was the same song originally done by Gun, but it's a different song.
'69 El Camino- Southern Culture on the Skids