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 2021 Hyundai Kona Electric has had 4 MOT tests on record, passing 3 and failing once (75% pass rate). It has 18,633 miles on the clock, averaging 3,303 miles per year, well below the UK average of 7,400. Common Hyundai Kona issues include 1. infotainment system glitches and 2. interior rattles and cheap plastics (door panels, dashboard).
MOT & Mileage History for CF21 WCN
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
Low mileage| Latest reading | 18,633 miles |
| Reading date | |
| Average per year | 3,303 |
| Mileage consistency | Consistent |
Check CF21 WCN
- 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 4 tests on record
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Reported issues for this Hyundai Kona
These are the most commonly reported problems on Hyundai Kona models (2017–2022), based on owner reports and workshop data across the UK.
1. Infotainment system glitches (8" or 10.25" touchscreen post-facelift)
Screen freezes, lags, or reboots randomly; Apple CarPlay/Android Auto disconnects frequently; navigation or radio locks up for seconds. · Typical repair: £50-£150 for dealer software update; £300-£600 for screen replacement if hardware fault (indie garage).
2. Interior rattles and cheap plastics (door panels, dashboard)
Hard plastics in lower/mid trims creak or rattle; clips loosen over time. · Typical repair: £100-£250 to refit clips + felt tape (DIY-friendly); £400+ for full panel refresh.
3. Airbag control unit software fault
ECU misreads crash signals, potentially delaying airbag deployment. · Typical repair: Free under recall; £200-£400 if out-of-warranty software flash.
4. Excessive road/tire noise (sound insulation)
Thin insulation lets in wind/road noise; pre-facelift worst. · Typical repair: £200-£500 for aftermarket sound deadening mats in doors/wheel wells.
Explore more about the Hyundai Kona
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Vehicle Details
| Registration | CF21 WCN |
| Make | Hyundai |
| Model | Kona |
| Colour | White |
| Fuel type | Electric |
| Year | 2021 |
| First registered | |
| Area code | CF — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CF21 W plates
Browse all CF21 W registrations from Cardiff.
About CF21 WCN
What car is CF21 WCN?
CF21 WCN is a white Hyundai Kona, electric. First registered in Cardiff in 2021.
What is the mileage of CF21 WCN?
The last recorded mileage for CF21 WCN was 18,633 miles, recorded on 23 Feb 2026 during its most recent MOT test.
Has CF21 WCN passed its MOT?
CF21 WCN has had 4 MOT tests with a 75% pass rate (3 passes, 1 failure). It last passed on 23 Feb 2026.
Is CF21 WCN ULEZ compliant?
Based on its fuel type and registration year, CF21 WCN is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is CF21 WCN?
CF21 WCN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.