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Sixt Car Rental
· Shopping
UpdatedAug 17, 2026
The best rate at Sixt Car Rental right now is 4% back via USAA MemberShop, ahead of Southwest Airlines at 3.9% — compared across 3 portals.
| Portals | Offer | Bonus | ||
|---|---|---|---|---|
 USAA MemberShop Requires USAA membership (military-affiliated). Cash back is credited through your USAA account. Cash back | 4% cash back | 4 cents / $ | — | Shop → |
 Southwest Airlines Requires a free Southwest Rapid Rewards account. Points post straight to your Rapid Rewards balance — on top of any credit card rewards. Rapid Rewards points | 3x points | 3.9 cents / $ @1.3¢ per Rapid Rewards point | — | Shop → |
 Active Junky Cash back | — | — | — |
Rates are checked daily against each portal's public listing. Miles and points are converted to effective value using MaxWorth's point valuations, so cash and miles portals are directly comparable. Rates can change at any time — always confirm the rate shown on the portal before checkout. "—" means the store is not currently offered on that portal.