Vehicle summary
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.
At a glance
This 2018 Kia Optima Diesel 1685cc has had 7 MOT tests on record, passing 6 and failing once (86% pass rate). It has 103,872 miles on the clock, averaging 16,249 miles per year, above the UK average of 7,400.
MOT & Mileage History for CU18 ONW
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Above average| Latest reading | 103,872 miles |
| Reading date | |
| Miles last year | 18,197 |
| Average per year | 16,249 |
| Mileage consistency | Consistent |
Check CU18 ONW
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 7 tests on record
Explore more about the Kia Optima
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | CU18 ONW |
| Make | Kia |
| Model | Optima |
| Colour | White |
| Fuel type | Diesel |
| Engine | 1685cc |
| Year | 2018 |
| First registered | |
| Area code | CU — Swansea, Cymru (Wales) |
| Age identifier | 18 — March 2018 to August 2018 |
More CU18 O plates
Browse all CU18 O registrations from Swansea.
About CU18 ONW
What car is CU18 ONW?
CU18 ONW is a white Kia Optima, diesel (1685cc). First registered in Swansea in 2018.
What is the mileage of CU18 ONW?
The last recorded mileage for CU18 ONW was 103,872 miles, recorded on 17 Sep 2025 during its most recent MOT test.
Has CU18 ONW passed its MOT?
CU18 ONW has had 7 MOT tests with an 86% pass rate (6 passes, 1 failure). It last passed on 17 Sep 2025.
Is CU18 ONW ULEZ compliant?
Based on its fuel type and registration year, CU18 ONW 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 CU18 ONW?
CU18 ONW is approximately 8 years old. Age identifier 18 means registered between 1 March 2018 and 31 August 2018.