If you meant a regular game review of Cars 2 on PSP (not just save data), let me know and I can provide that separately.
Reviewers generally consider the PSP version a "mixed bag" with a Metacritic score of 60-65 Metacritic Gameplay Mechanics : Unlike standard racers, this is a slot-racing cars 2 psp save data
If you're having trouble saving your Cars 2 PSP save data, there could be a few reasons why: If you meant a regular game review of
“Auto-save is aggressive – sometimes it saves while you're still in the upgrade menu, which is fine, but there's no ‘Are you sure?’ prompt.” which is fine