Where each one leads
BMW M240I
- On Canada's official test the most frugal 2026 BMW M240I uses 9.0 l/100 km, the 2019 Porsche Cayman 9.4.
Porsche Cayman
Ahead on none of the like-for-like measures.
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
| BMW M240I | Porsche Cayman | |
|---|---|---|
| Model years in the US safety record | 2017–2025 | 2005–2020 |
| New cars registered in Europe | — | 4,921 (2010–2022) |
| Licensed in the United Kingdom | — | 8,584 |
| On the road in the Netherlands | — | 815 |
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
| BMW M240I | Porsche Cayman | |
|---|---|---|
| UK MOT first-time pass rate | — | 89% |
| … against cars of the same age | — | +27% |
| New York safety inspections failed | — | 0.4% |
| … against cars of the same year | — | −82% |
| Illogical odometer records (NL) | — | 6.1% |
| US owner complaints | 14 | 29 |
| Most complaints about | Exterior lighting | Power train |
| Model year with most complaints | 2022 (4) | 2014 (7) |
| US recall campaigns | 7 | 5 |
| Manufacturer service bulletins | 544 | 2,688 |
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
| BMW M240I | Porsche Cayman | |
|---|---|---|
| Official combined fuel use, Canada | 9.0 l/100 km (2026) | 9.4 l/100 km (2019) |
| Official CO₂ of new cars in Europe | — | 192 g/km |
| Average power of new cars in Europe | — | 213 kW (285 hp) |
| Average mass in running order | — | 1,434 kg |
| Dutch list price when new (median) | — | €95,210 |
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).