You can rent a car in Benidorm from several hire firms at Alicante Airport, the nearest airport to Benidorm itself. The most reputable car hire companies in Benidorm include Hertz, Solmar, Europcar, Avis and Centauro.
It’s wise to pre-book your airport car hire for Benidorm before you go. You can simply turn up with your driver's license and passport and book at the airport, but the best rates and availability are booked in advance on the net.
If you’d rather not pick up your car rental at the airport to drive to Benidorm, there’s always the option of car rental in Benidorm city centre, from the likes of Europcar, Enterprise and Goldcar.