Where each one leads
Bentley Bentayga
- Measured by the cars' own fuel meters, the petrol Bentley Bentayga uses 15.2 l/100 km on the road, the Porsche Cayenne Turbo GT 16.2.
Porsche Cayenne Turbo GT
- On Canada's official test the most frugal 2026 Porsche Cayenne Turbo GT uses 13.8 l/100 km, the 2026 Bentley Bentayga 14.6.
Only measures that do not depend on how many cars were sold: pass and failure rates against cars of the same age, ratings, fuel use and CO₂. How we compare
At a glance
| Bentley Bentayga | Porsche Cayenne Turbo GT | |
|---|---|---|
| Model years in the US safety record | 2016–2026 | 2022–2024 |
| New cars registered in Europe | 5,446 (2016–2022) | — |
| Licensed in the United Kingdom | 4,120 | — |
| On the road in the Netherlands | 358 | — |
EEA new-car registrations (CC BY 4.0) · DVLA licensed vehicles (OGL v3.0) · RDW (CC0) · Traficom (CC BY 4.0) · generations: Wikidata (CC0).
Reliability and problems
| Bentley Bentayga | Porsche Cayenne Turbo GT | |
|---|---|---|
| UK MOT first-time pass rate | 95% | — |
| … against cars of the same age | +13% | — |
| Illogical odometer records (NL) | 1.5% | — |
| US owner complaints | 12 | — |
| Most complaints about | Service brakes | — |
| Model year with most complaints | 2017 (9) | — |
| US recall campaigns | 15 | 1 |
| Manufacturer service bulletins | 3,390 | 549 |
Complaint, recall and bulletin counts grow with the number of cars sold and are not adjusted for it. UK MOT: DVSA anonymised MOT results (OGL v3.0); New York: DMV inspections; complaints, recalls, bulletins and investigations: NHTSA (public domain); odometer: RDW (CC0).
Fuel, emissions and price
| Bentley Bentayga | Porsche Cayenne Turbo GT | |
|---|---|---|
| Official combined fuel use, Canada | 14.6 l/100 km (2026) | 13.8 l/100 km (2026) |
| Real-world use in Europe, petrol | 15.2 l/100 km | 16.2 l/100 km |
| Official CO₂ of new cars in Europe | 293 g/km | — |
| Average power of new cars in Europe | 403 kW (541 hp) | — |
| Average mass in running order | 2,501 kg | — |
| Dutch list price when new (median) | €309,024 | — |
Canada: NRCan Fuel Consumption Ratings, most frugal version of the latest year (OGL Canada). Europe: EEA monitoring of new-car CO₂ and on-board fuel meters (OBFCM), CC BY 4.0. Price: RDW catalogue price (CC0). Finland: Traficom (CC BY 4.0).