Who sings that cool song in the Cadillac commercial...?

Question

The one that sounds like Johnny Cash, and the commercial is about Cadillacs from the past until now.....They're driving down the road. Artist and title?

Answer 1

"Punk Rocker" by The Teddy Bears

Answer 2

CricketMonroe is correct.

There are a couple different versions...
you want the version of Punkrocker by the Teddybears
featuring Iggy Pop.

"Punkrocker" The Teddybears' single, "Punkrocker (Featuring Iggy Pop)" has been garnering radio play and is also featured in a Cadillac television commercial. The song was also covered by Swedish dansband Torgny Melins, as "Dansbander".
http://en.wikipedia.org/wiki/Teddybears_(band)