Rates last updated: Quidco 23 October 2026 · TopCashback 25 October 2026
| Cashback site | Headline rate | Type |
|---|---|---|
| Quidco | up to 8% | click-through |
| TopCashback | up to 10% | click-through |
Headline rates are often "up to" figures that apply to specific categories. The full tier breakdown below shows exactly what each purchase type pays — something most comparison sites don't publish.
| Category | Rate |
|---|---|
| completed rentals | 3.2% |
| new customer top-up insurance purchases | 8% |
| Category | Rate |
|---|---|
| Zest Car Rental — New Customers - Top Up Insurance | 10% |
| Zest Car Rental — Existing Customers - Top Up Insurance | 5% |
| Zest Car Rental — New Customers - Rental | 5% |
| Zest Car Rental — Existing Customers - Rental | 2% |
As of October 2026, the best cashback rate for Zest Car Rental is up to 10% via TopCashback. Zest Car Rental cashback is currently offered by Quidco, TopCashback.
For Zest Car Rental, Quidco currently offers up to 8% while TopCashback offers up to 10%, so TopCashback has the higher headline rate right now. Rates change frequently — check the live comparison before buying.
Yes — new customers currently earn 8% at Zest Car Rental, while existing customers earn 5%.
Sign up free to the cashback site with the best Zest Car Rental rate, search for Zest Car Rental there, click through to the retailer, and shop as normal. Cashback tracks automatically and is paid out once the retailer confirms the purchase.
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