Where each one leads
BMW M2
- New BMW M2 cars registered in Europe in 2022 average 186 g/km of CO₂ on the WLTP test, against 237 for the Porsche 911 Carrera 4 in 2022.
Porsche 911 Carrera 4
- On Canada's official test the most frugal 2024 Porsche 911 Carrera 4 uses 11.6 l/100 km, the 2026 BMW M2 12.5.
Too close to call: real-world fuel use in Europe, petrol (l/100 km).
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 M2 | Porsche 911 Carrera 4 | |
|---|---|---|
| Model years in the US safety record | 2016–2024 | 2009–2023 |
| New cars registered in Europe | 32,347 (2015–2022) | 6,800 (2010–2022) |
| Licensed in the United Kingdom | 24,433 | — |
| On the road in the Netherlands | 715 | — |
| In traffic in Finland | — | 102 |
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 M2 | Porsche 911 Carrera 4 | |
|---|---|---|
| UK MOT first-time pass rate | 89% | — |
| … against cars of the same age | +8% | — |
| New York safety inspections failed | 0.7% | — |
| … against cars of the same year | −33% | — |
| Illogical odometer records (NL) | 2.9% | — |
| US owner complaints | 30 | 1 |
| Most complaints about | Exterior lighting | Vehicle speed control |
| Model year with most complaints | 2017 (17) | 2013 (1) |
| US recall campaigns | 6 | 3 |
| Manufacturer service bulletins | 508 | 753 |
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 M2 | Porsche 911 Carrera 4 | |
|---|---|---|
| Official combined fuel use, Canada | 12.5 l/100 km (2026) | 11.6 l/100 km (2024) |
| Real-world use in Europe, petrol | 12.0 l/100 km | 12.1 l/100 km |
| Official CO₂ of new cars in Europe | 186 g/km | 237 g/km |
| Average power of new cars in Europe | 266 kW (357 hp) | 283 kW (380 hp) |
| Average mass in running order | 1,734 kg | 1,666 kg |
| Dutch list price when new (median) | €105,775 | — |
| Average odometer in Finland | — | 134,000 km |
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).