Where each one leads
Aston Martin Vantage
- On Canada's official test the most frugal 2026 Aston Martin Vantage uses 13.1 l/100 km, the 2024 Porsche 911 15.5.
- New Aston Martin Vantage cars registered in Europe in 2022 average 264 g/km of CO₂ on the WLTP test, against 278 for the Porsche 911 in 2022.
Porsche 911
- Against cars of the same age, the Porsche 911 comes out better at its first MOT test (passes 33% more often than average) than the Aston Martin Vantage (passes 25% more often than average).
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
| Aston Martin Vantage | Porsche 911 | |
|---|---|---|
| Model years in the US safety record | 1996–2025 | 1983–2026 |
| New cars registered in Europe | 5,159 (2010–2022) | 9,884 (2010–2022) |
| Licensed in the United Kingdom | 6,858 | 52,115 |
| On the road in the Netherlands | — | 22,796 |
| In traffic in Finland | — | 536 |
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
| Aston Martin Vantage | Porsche 911 | |
|---|---|---|
| UK MOT first-time pass rate | 93% | 88% |
| … against cars of the same age | +25% | +33% |
| New York safety inspections failed | — | 0.3% |
| … against cars of the same year | — | −79% |
| Illogical odometer records (NL) | — | 10.0% |
| US owner complaints | 2 | 145 |
| Most complaints about | Latches/locks/linkages | Engine |
| Model year with most complaints | 2000 (1) | 1995 (12) |
| US recall campaigns | 5 | 29 |
| Manufacturer service bulletins | 238 | 6,834 |
| NHTSA defect investigations | — | 14 |
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
| Aston Martin Vantage | Porsche 911 | |
|---|---|---|
| Official combined fuel use, Canada | 13.1 l/100 km (2026) | 15.5 l/100 km (2024) |
| Real-world use in Europe, petrol | — | 14.7 l/100 km |
| Official CO₂ of new cars in Europe | 264 g/km | 278 g/km |
| Average power of new cars in Europe | 383 kW (514 hp) | 394 kW (528 hp) |
| Average mass in running order | 1,779 kg | 1,660 kg |
| Dutch list price when new (median) | — | €173,394 |
| Average odometer in Finland | — | 131,000 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).