Where each one leads
Chevrolet Impala
- On Canada's official test the most frugal 2020 Chevrolet Impala uses 10.9 l/100 km, the 2015 Mercedes-Benz CLS 13.1.
Mercedes-Benz CLS
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
| Chevrolet Impala | Mercedes-Benz CLS | |
|---|---|---|
| Model years in the US safety record | 1981–2020 | 2006–2012 |
| New cars registered in Europe | — | 2,712 (2011–2022) |
| On the road in the Netherlands | 762 | — |
| In traffic in Finland | 277 | — |
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
| Chevrolet Impala | Mercedes-Benz CLS | |
|---|---|---|
| UK MOT first-time pass rate | — | 75% |
| … against cars of the same age | — | +9% |
| New York safety inspections failed | 2.9% | — |
| … against cars of the same year | +28% | — |
| Illogical odometer records (NL) | 75.2% | — |
| US owner complaints | 10,426 | 5 |
| Most complaints about | Electrical system | Fuel system, gasoline |
| Model year with most complaints | 2004 (1,073) | 2006 (3) |
| US recall campaigns | 34 | 1 |
| Manufacturer service bulletins | 19,789 | 64 |
| NHTSA defect investigations | 16 | 5 |
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).
Safety
| Chevrolet Impala | Mercedes-Benz CLS | |
|---|---|---|
| NHTSA overall rating | 5★ (2020) | — |
NHTSA New Car Assessment Program, most recent rated model year (public domain).
Fuel, emissions and price
| Chevrolet Impala | Mercedes-Benz CLS | |
|---|---|---|
| Official combined fuel use, Canada | 10.9 l/100 km (2020) | 13.1 l/100 km (2015) |
| Official CO₂ of new cars in Europe | — | 199 g/km |
| Average power of new cars in Europe | — | 249 kW (334 hp) |
| Average mass in running order | — | 1,926 kg |
| Average odometer in Finland | 50,000 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).