
SEAT Leon
Red · Diesel · 2014 · 1,968 cc
L21 ONXMOT history
L21 ONX is a red diesel SEAT Leon first used on 29 Nov 2014. Its MOT is valid until 28 Apr 2027 and it has passed 9 of 11 MOT tests, with 109,409 miles recorded at the latest.
From DVSA MOT records, updated 23 Apr 2026.

- MOT
- Valid
- Until 28 Apr 2027
- Mileage
- 109,409 mi
- At MOT on 23 Apr 2026
- MOT tests
- 11
- 9 passed · 2 failed
- Per year
- 8,836 mi
- Average between MOTs
Vehicle details
- Registration
- L21 ONX
- Registration format
- Prefix (1983 to 2001)
- Make
- SEAT
- Model
- Leon
- Colour
- Red
- Fuel type
- Diesel
- Engine size
- 1,968 cc
- Year of manufacture
- 2014
- First used
- 29 Nov 2014
- MOT status
- MOT valid until 28 Apr 2027
- Latest MOT test
- 23 Apr 2026 (Pass)
Mileage history
L21 ONX was last recorded at 109,409 miles on 23 Apr 2026, 10,412 miles more than at the previous MOT on 29 Apr 2025.
- Previous MOT
- 98,997 miles · 29 Apr 2025
- Between the last two tests
- 10,412 miles
- Average per year
- 8,836 miles
Recorded mileage by year
- 2026 – 109,409 miles
- 2025 – 98,997 miles
- 2023 – 86,524 miles
- 2022 – 75,125 miles
- 2021 – 66,270 miles
- 2020 – 57,484 miles
- 2019 – 49,712 miles
- 2018 – 43,656 miles
- 2017 – 33,669 miles
What the latest MOT found
- AdvisoryRear Brake disc worn, pitted or scored, but not seriously weakened Both sides (1.1.14 (a) (ii))
Full MOT history
11 tests since 26 Sept 2017, newest first. Select a test to see every defect and advisory.
Pass109,409 miles1 advisory
- MOT expiry
- 28 Apr 2027
- Odometer
- 109,409 miles
- Test number
- 695092328426
- AdvisoryRear Brake disc worn, pitted or scored, but not seriously weakened Both sides (1.1.14 (a) (ii))
Fail109,409 miles (+10,412)2 major1 advisory
- MOT expiry
- No new certificate
- Odometer
- 109,409 miles
- Test number
- 448682960027
- MajorNearside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))
- MajorWindscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
- AdvisoryRear Brake disc worn, pitted or scored, but not seriously weakened Both sides (1.1.14 (a) (ii))
Pass98,997 miles (+12,473)
- MOT expiry
- 28 Apr 2026
- Odometer
- 98,997 miles
- Test number
- 282914430661
No defects or advisories recorded.
Pass86,524 miles (+11,399)6 advisories
- MOT expiry
- 22 Nov 2024
- Odometer
- 86,524 miles
- Test number
- 324985425530
- AdvisoryFront Brake disc worn, pitted or scored, but not seriously weakened Inner faces (1.1.14 (a) (ii))
- AdvisoryFront Brake pad(s) wearing thin (1.1.13 (a) (ii))
- AdvisoryFront Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryNearside Front Fog light not working
- AdvisoryNearside Rear Nail in tyre
- AdvisoryNearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
Pass75,125 miles (+8,855)
- MOT expiry
- 2 Nov 2023
- Odometer
- 75,125 miles
- Test number
- 598962101128
No defects or advisories recorded.
Pass66,270 miles (+8,786)
- MOT expiry
- 17 Oct 2022
- Odometer
- 66,270 miles
- Test number
- 259827764620
No defects or advisories recorded.
Pass57,484 miles1 advisory
- MOT expiry
- 17 Oct 2021
- Odometer
- 57,484 miles
- Test number
- 523987805825
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Fail57,484 miles (+7,772)2 major1 advisory
- MOT expiry
- No new certificate
- Odometer
- 57,484 miles
- Test number
- 788160919704
- MajorNearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
- MajorOffside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass49,712 miles (+6,056)
- MOT expiry
- 17 Oct 2020
- Odometer
- 49,712 miles
- Test number
- 171077706446
No defects or advisories recorded.
Pass43,656 miles (+9,987)
- MOT expiry
- 10 Oct 2019
- Odometer
- 43,656 miles
- Test number
- 671944663958
No defects or advisories recorded.
Pass33,669 miles
- MOT expiry
- 25 Sept 2018
- Odometer
- 33,669 miles
- Test number
- 589397401899
No defects or advisories recorded.
Questions about L21 ONX
- Does L21 ONX currently have a valid MOT?
- Yes. DVSA records show the MOT on L21 ONX is valid until 28 Apr 2027.
- When is the MOT due on L21 ONX?
- The MOT on L21 ONX is valid until 28 Apr 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has L21 ONX done?
- L21 ONX was recorded at 109,409 miles at its MOT on 23 Apr 2026, an average of 8,836 miles a year.
- Has L21 ONX ever failed its MOT?
- Yes. L21 ONX has failed 2 of its 11 MOT tests, most recently on 23 Apr 2026.
- Has the mileage on L21 ONX ever gone down?
- No. The odometer reading went up or stayed the same at every MOT test on record. Service records are still worth checking.
- What did the latest MOT on L21 ONX find?
- L21 ONX passed its latest MOT on 23 Apr 2026 with 1 advisory: rear brake disc worn, pitted or scored, but not seriously weakened both sides.
Related registrations
- L21 ONCVolkswagen Tiguan
- L21 ONDAudi Q7 SLN BLK ED 45TDI Mhev QTO A
- L21 ONFAudi A3
- L21 ONKFord Ranger
- L21 ONLMercedes-Benz SLK
- L21 ONSBMW M4
- L21 ONYFord Transit Custom 300LMTD Eblue A
- L21 OOEMINI
- L21 OOLVolkswagen Polo Life TSI
- L21 OOMMercedes-Benz CLA 180 AMG LN Prm+ Night ED A
- L21 OONNissan Navara
- L21 OOPMercedes-Benz GLA
Contains DVSA MOT history data, public sector information licensed under the Open Government Licence v3.0. Driver Codes is not affiliated with DVSA or DVLA.