Through July 31, Delta SkyMiles members can receive a double upgrade when renting a compact (Class B) through sporty 2-door (Class D) car through Hertz, or double SkyMiles on all qualifying Leisure Rate rentals. These offers are valid at participating airport and suburban Hertz locations in the United States and Canada.

To receive either, you will need your SkyMiles membership number, the SkyMiles discount number (CDP 165385) and the promotion code (927076 for a double upgrade or 927813 for double miles).

Still with Delta, SkyMiles Medallion members can receive a free day plus a free upgrade on an intermediate through full-size, 4-door car rental of four or more days including a Saturday night. This offer is valid through June 30 and you will need the coupon in your newsletter mailing. The coupon number is TUAA332.