Clubs in the trunk
maybe a kids set
Best advise would be to have them in the passenger seat. If you try to force then into the trunk you dramatically increase you chance of breaking something. Probably the trunk divider bracket.
That bracket is super easy to break and extremely hard to locate used. They are available on this side (3D printed)
Might be a great idea to take your clubs to the car you’re looking to buy and try to put them into the trunk.