Apply promo code "211637" during booking and take advantage of this Hertz offer, which offers a free day with eligible rentals. You'll need to pick up your rental on Sunday, Monday, Tuesday, or Wednesday and your rental period needs to be three or more days (if you rent from an airport, you'll need to have a rental period of at least four days). Note that some exclusions apply, including car classes of convertibles, minivans, and large SUVs. Book this offer by September 30, 2025 and redeem the offer through December 15, 2025. Shop Now at Hertz