Bonus cars: Enter the following under the drive creation screen to unlock the corresponding car in any game mode:
Audrey Clark
Benny Parsons
Buster Auton (pace car)
Cheryl King
Chuck Spicer
Crissy Hillsworth
Daryl Wolfe
Dave Alpern
Dave Nichols
Diane Grubb
Dick Paysor
Jim Hannigan
Joey Joulwan
Josh Neelon
Katrina Goode
Ken Patterson
Kristi Jones
Mandy Misiak
Michelle Emser
Rick Edwards
Rick Humphrey
Sasha Soares
Scott Brewer
Tom Renedo
Traci Hultzapple
Troi Hayes
Championship Completion Unlockables:
Complete championship 2 times:
Unlock Kevin Grubb & Randy LaJoie.
Complete championship 3 times:
Unlock Jason Keller & Jamie McMurray.
Complete championship 4 times:
Unlock Chad Little & Michael Waltrip.
Complete championship 5 times:
Unlock Elton Sawyer & Mike McLaughlin.
Complete championship 6 times:
Unlock Jay Sauter & Mike Dillion.
Complete championship 7 times:
Unlock James Finch & Scott Wimmer.
Complete championship 8 times:
Unlock Jeff Green's Busch Car.
Complete championship 8 times:
Unlock Bonus.
Championship FMV:
Complete championship 9 times:
Unlock Tony Raines.
Win the Point Standings in Season Mode: Unlock Greg Biffle & Shane Hall.