I would recommend searching around on different car rental sites so that you can compare the current rates all at the same time.
There are some Kona car rental firms. They are Thrifty, Car Rental 8, Dollar Rent A Car, Discount with Car Rental, etc. Some of them offer 45% off discount.
http://www.best-car-rental-tips.com/discount-codes.html is the page that will help you. It has a list of car rental discount codes for lots of companies. You'll surely find some helpful information from there.
Practically all the major car rental companies offer car rental coupons, both through traditional paper media and through the Internet. Online car rental coupons are either printable vouchers or promotional car rental codes (also called car rental shopping codes, car rental voucher codes, or car rental discount codes). Fraudulent on-line car rental coupons have been reported and caution is advisable when dealing with Internet discount codes. Car rental coupons usually enable the client to get discount of up to 20% on the rental price.
You can find rental car discount codes on any of their websites. Most of the car rentals want you to already have to code, but their are a chosen few that has the codes.
Flyer Talk has a section on rental car companies, and some of the sections will list current coupons and discount codes. You can also find coupons at the rental car company's sites.
Discount rental cars can be found through discount travel wesbites such as BestPriceonCarRental.com . You can also find cheap rental car businesses by going to a local agent that specializes in discount rentals.
Most major car rental companies offer incentive discounts, including a discount for older customers. Discounts range from 5% to 20% off the cost of the rental.
10%
You can find car rental on expedia.co.uk which can give you car rental in any country you are going to for a vacation. Fill in the form of where you want to go, at what date and it will always give you a discount on the car rental.
The forthcoming car rental companies are some of the the cheapest in New Zealand: Rent-a-dent Car Hire, Discount Car Rental, Thrifty Car Rental New Zealand and Budget Rent a Car.
Avis.com has a wide selection of car models to choose from, car rental deals, discount rental car rates and a fast and easy online reservation process.
If you need one way car rental service, Budget has convenient one way car rentals at discount rates. There are so many benefits to one way car rentals with Budget: no mileage restrictions, 24 hour roadside assistance and discount car rental.