Browse our collection of 32 expert guides to help you save money on car rentals with corporate codes and discount strategies.
While the IBM code offers high discounts, it now triggers frequent ID audits at major hubs. I recommend the Maple Infotek or Perkopolis codes as safer public-facing alternatives for 2026.
For optimal savings and included coverage, the National and Enterprise code XZ55282 is a top performer for eligible users. If you need a more relaxed verification process for leisure travel, Dollar's 3063953 code offers a solid baseline discount.
The most effective Hertz corporate discount code currently available is the IBM CDP 40000, which offers up to 41% off and unlimited mileage. For premium credit card holders, the Desjardins code 1629632 provides a massive 37% savings on leisure travel.
To avoid strict ID checks with the UPS code, use the public Groupon AWD A433300 for up to 35% off. This code is completely safe for general use and requires no corporate badge at the counter.