Where each one leads
Cadillac CT4
- Against cars of the same year, the Cadillac CT4 comes out better in New York safety inspections (fails 37% less often than average) than the Honda Civic (fails 3% less often than average).
Honda Civic
- On Canada's official test the most frugal 2026 Honda Civic uses 4.9 l/100 km, the 2026 Cadillac CT4 9.1.
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
| Cadillac CT4 | Honda Civic | |
|---|---|---|
| Model years in the US safety record | 2020–2026 | 1981–2026 |
| New cars registered in Europe | — | 419,820 (2010–2022) |
| Licensed in the United Kingdom | — | 252,016 |
| On the road in the Netherlands | — | 24,648 |
| In traffic in Finland | — | 19,230 |
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
| Cadillac CT4 | Honda Civic | |
|---|---|---|
| UK MOT first-time pass rate | — | 67% |
| … against cars of the same age | — | +2% |
| New York safety inspections failed | 0.5% | 1.7% |
| … against cars of the same year | −37% | −3% |
| Illogical odometer records (NL) | — | 6.0% |
| US owner complaints | 34 | 16,237 |
| Most complaints about | Engine | Air bags |
| Model year with most complaints | 2020 (8) | 2006 (1,403) |
| US recall campaigns | 5 | 74 |
| Manufacturer service bulletins | 2,767 | 4,345 |
| NHTSA defect investigations | 2 | 59 |
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
| Cadillac CT4 | Honda Civic | |
|---|---|---|
| NHTSA overall rating | — | 5★ (2022) |
NHTSA New Car Assessment Program, most recent rated model year (public domain).
Fuel, emissions and price
| Cadillac CT4 | Honda Civic | |
|---|---|---|
| Official combined fuel use, Canada | 9.1 l/100 km (2026) | 4.9 l/100 km (2026) |
| Real-world use in Europe, petrol hybrid | — | 5.5 l/100 km |
| Real-world use in Europe, petrol | — | 7.1 l/100 km |
| Official CO₂ of new cars in Europe | — | 124 g/km |
| Average power of new cars in Europe | — | 109 kW (146 hp) |
| Average mass in running order | — | 1,469 kg |
| Dutch list price when new (median) | — | €28,025 |
| Average odometer in Finland | — | 193,000 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).