Don Ready (Jeremy Piven) was based on legendary car sales training guru Scotty Atkins of Scottsdale, AZ.
Nine cast members in this film have played a major to a small role on the sitcom The Office (2005); David Koechner, Ed Helms, Craig Robinson, Paul Lieberstein, Rob Riggle, Will Ferrell, Ken Jeong, Jessica St. Clair, and Jean Villeique.
Kathryn Hahn also had a love interest with a man child in Step Brothers (2008), which Rob Riggle had a small part.
The Trans Am at Selleck Motors most likely wasn't used in the making of Smokey and the Bandit (1977). The most telling sign of this is that the interior is golden brown, the interior in the original Bandit car was black.