Can I rent more than one car at a time? Mark Galvin March 20, 2018 17:18 Updated Follow No. Only one car per account can be rented at a time. Related articles Paying fines, tolls and tickets 'On Demand Collection' (airport delivery) What if I notice damage during collection? Under what circumstances will a rental be cancelled by Fleet How to rent: quick start guide Comments 0 comments Please sign in to leave a comment.