Where each one leads
Jaguar XJ
- On Canada's official test the most frugal 2019 Jaguar XJ uses 11.8 l/100 km, the 2023 Porsche Panamera 4S Executive 12.2.
Porsche Panamera 4S Executive
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
| Jaguar XJ | Porsche Panamera 4S Executive | |
|---|---|---|
| Model years in the US safety record | 1982–2023 | 2017–2024 |
| New cars registered in Europe | 15,891 (2010–2020) | — |
| Licensed in the United Kingdom | 22,481 | — |
| On the road in the Netherlands | 2,006 | — |
| In traffic in Finland | 338 | — |
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
| Jaguar XJ | Porsche Panamera 4S Executive | |
|---|---|---|
| UK MOT first-time pass rate | 76% | — |
| … against cars of the same age | +18% | — |
| New York safety inspections failed | 1.7% | — |
| … against cars of the same year | −23% | — |
| Illogical odometer records (NL) | 8.2% | — |
| US owner complaints | 134 | — |
| Most complaints about | Engine | — |
| Model year with most complaints | 2011 (16) | — |
| US recall campaigns | 20 | 4 |
| Manufacturer service bulletins | 6,881 | 1,246 |
| NHTSA defect investigations | 2 | 2 |
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
| Jaguar XJ | Porsche Panamera 4S Executive | |
|---|---|---|
| Official combined fuel use, Canada | 11.8 l/100 km (2019) | 12.2 l/100 km (2023) |
| Official CO₂ of new cars in Europe | 197 g/km | — |
| Average power of new cars in Europe | 221 kW (296 hp) | — |
| Average mass in running order | 1,977 kg | — |
| Dutch list price when new (median) | €113,287 | — |
| Average odometer in Finland | 189,000 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).