There isn't a discount for booking more than one car but if you have a discount code or promotional email offer then this will be applied to all the cars on the booking.
If you're looking to make a booking to park more than one car at Gatwick then you can easily do this on our website. Simply enter your dates and times, choose the option that best suits you and when you click through to the booking form you'll have the option to "Add a car" and can make a booking for up to 5 vehicles at the same time.