Vehicle summary
MakeCitroen
ModelC4
Year2016
FuelDiesel
Engine1560cc
ColourGrey
ULEZ (est.)Likely CompliantDiesel post-2015 (Euro 6)
Est. Annual Tax£165–£265
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
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Explore more about the Citroen C4
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›Citroen C4 Common ProblemsKnown faults, recalls and issues reported by owners›Citroen C4 Service HistoryService intervals, what to check and maintenance costs›How to Check Citroen Service HistoryStep-by-step guide to verifying dealer and garage records›Citroen C4 Price GuideCurrent market values based on real dealer pricing data
Vehicle Details
| Registration | KN66 EFS |
| Make | Citroen |
| Model | C4 |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1560cc |
| Year | 2016 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 66 — September 2016 to February 2017 |
More KN66 E plates
Browse all KN66 E registrations from Luton.
About KN66 EFS
What car is KN66 EFS?
KN66 EFS is a grey Citroen C4, diesel (1560cc). First registered in Luton in 2016.
Is KN66 EFS ULEZ compliant?
Based on its fuel type and registration year, KN66 EFS is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN66 EFS?
KN66 EFS is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.