The early titles all have lots of extras,the later ones have less extras.
This one has 2 discs so here are the extras on each disc:
disc 1 Eat My Dust
• New Interview with star Ron Howard (16:9; 15:15)
• How to Crash on a Dime: The Making of EAT MY DUST (4:3; 9:31)
• Leonard Maltin interviews Roger Corman (4:3; 2:59)
• The Illustrated Man: a conversation with Corman poster artist John Solie (16:9; 13:03)
• Theatrical Trailer (4:3; 1:00)
disc 2 Grand Theft Auto
• Introduction by Roger Corman (4:3; 0:35)
• Audio Commentary with Ron Howard and Roger Corman
• Audio Commentary with actor/co-writer Rance Howard, second unit director Allan Arkush, editor Joe Dante, and key grip Ben Haller
• A Family Affair: an interview with Rance Howard and Clint Howard (4:3; 8:39)
• Interview with Ron Howard and Roger Corman (4:3; 13:39)
• Leonard Maltin Interviews Roger Corman (4:3; 5:30)
• Theatrical Trailer (4:3; 2:18)
• TV Spot 1 (4:3; 0:30)
• TV Spot 2 (4:3; 0:30)
I love Eat My Dust which is a great carsploitation coming-of-age movie imho.

I've never seen Grand Theft Auto I think so that will be a surprise.