Renting a Car: Debit Card vs Credit Card
Why credit is easier
Car rental companies prefer credit cards because the card guarantees payment and the agency simply places an authorization hold for incidentals. There is no credit check, the hold is modest, and a good travel card may include collision coverage on the rental, which can save you the agency waiver fee.
The hurdles with debit
Many agencies do accept debit, but with strings: they often run a credit check at pickup, place a larger hold that ties up real money in your account, may require proof of a return flight or extra ID, and exclude certain vehicle classes. Critically, paying with debit means no card rental insurance, and the hold can overdraw you if funds are tight.
The bottom line
For a smoother rental, fewer requirements, a smaller hold, and potential insurance, use a credit card and decline the agency collision waiver if your card covers it. Reserve debit for when you have no other option, and confirm the agency debit policy in advance. See rental car insurance explained.