Payless Car Rental offers nationwide mid-size car rentals for $27.99 per day, as provided by ShermansTravel. That ties our mention from two weeks ago and it's the lowest current rate we could find for mid-size car rentals by $9. Blackout dates may apply. It's valid at participating U.S. locations only and fees, insurance, and taxes are additional and may be substantial. Deal ends May 31.