SEAT Leon
Red · Diesel · 2014 · 1,968 cc
T666 ADNMOT history
T666 ADN is a red diesel SEAT Leon first used on 29 May 2014. Its MOT is valid until 26 Mar 2027 and it has passed 10 of 11 MOT tests, with 109,160 miles recorded at the latest.
From DVSA MOT records, updated 22 Mar 2026.
- MOT
- Valid
- Until 26 Mar 2027
- Mileage
- 109,160 mi
- At MOT on 22 Mar 2026
- MOT tests
- 11
- 10 passed · 1 failed
- Per year
- 9,179 mi
- Average between MOTs
Vehicle details
- Registration
- T666 ADN
- 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 May 2014
- MOT status
- MOT valid until 26 Mar 2027
- Latest MOT test
- 22 Mar 2026 (Pass)
Mileage history
T666 ADN was last recorded at 109,160 miles on 22 Mar 2026, 10,604 miles more than at the previous MOT on 27 Mar 2025.
- Previous MOT
- 98,556 miles · 27 Mar 2025
- Between the last two tests
- 10,604 miles
- Average per year
- 9,179 miles
Recorded mileage by year
- 2026 – 109,160 miles
- 2025 – 98,556 miles
- 2024 – 89,420 miles
- 2023 – 86,291 miles
- 2022 – 79,200 miles
- 2021 – 68,239 miles
- 2020 – 56,242 miles
- 2019 – 41,089 miles
- 2018 – 34,785 miles
- 2017 – 27,657 miles
What the latest MOT found
- AdvisoryRear Exhaust noisy box (8.1.1 (a))
- AdvisoryRear Inner Brake pad(s) wearing thin both side (1.1.13 (a) (ii))
Recurring issues
Items recorded at more than one earlier MOT but not at the latest one. Repeat advisories can show maintenance that was put off.
Offside Front Tyre worn close to legal limit/worn on edge
Advisory4 MOTs, 2021–2025
Offside Front Anti-roll bar linkage ball joint dust cover severely deteriorated
Minor2 MOTs, 2024–2025
Front Brake pad(s) wearing thin
Advisory2 MOTs, 2023–2024
Full MOT history
11 tests since 5 May 2017, newest first. Select a test to see every defect and advisory.
Pass109,160 miles (+10,604)2 advisories
- MOT expiry
- 26 Mar 2027
- Odometer
- 109,160 miles
- Test number
- 161066454535
- AdvisoryRear Exhaust noisy box (8.1.1 (a))
- AdvisoryRear Inner Brake pad(s) wearing thin both side (1.1.13 (a) (ii))
Pass98,556 miles (+9,136)1 minor3 advisories
- MOT expiry
- 26 Mar 2026
- Odometer
- 98,556 miles
- Test number
- 305839163691
- MinorOffside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))
- AdvisoryNearside Front Shock absorbers has light misting of oil (5.3.2 (b))
- AdvisoryNearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass89,420 miles (+3,129)1 minor3 advisories
- MOT expiry
- 26 Mar 2025
- Odometer
- 89,420 miles
- Test number
- 423796986336
- MinorOffside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))
- AdvisoryFront Brake pad(s) wearing thin (1.1.13 (a) (ii))
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass86,291 miles (+7,091)2 advisories
- MOT expiry
- 22 Mar 2024
- Odometer
- 86,291 miles
- Test number
- 665719690915
- AdvisoryFront Brake pad(s) wearing thin (1.1.13 (a) (ii))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass79,200 miles (+10,961)
- MOT expiry
- 7 Mar 2023
- Odometer
- 79,200 miles
- Test number
- 630388315065
No defects or advisories recorded.
Pass68,239 miles (+11,997)3 advisories
- MOT expiry
- 7 Mar 2022
- Odometer
- 68,239 miles
- Test number
- 748452803735
- AdvisoryNearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryNearside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass56,242 miles (+15,153)
- MOT expiry
- 10 Apr 2021
- Odometer
- 56,242 miles
- Test number
- 803120222370
No defects or advisories recorded.
Pass41,089 miles
- MOT expiry
- 10 Apr 2020
- Odometer
- 41,089 miles
- Test number
- 866648640738
No defects or advisories recorded.
Fail41,089 miles (+6,304)1 major
- MOT expiry
- No new certificate
- Odometer
- 41,089 miles
- Test number
- 535675314656
- MajorNearside Front Wheel bearing rough when rotated (5.1.3 (b) (i))
Pass34,785 miles (+7,128)
- MOT expiry
- 28 May 2019
- Odometer
- 34,785 miles
- Test number
- 107372938183
No defects or advisories recorded.
Pass27,657 miles1 advisory
- MOT expiry
- 28 May 2018
- Odometer
- 27,657 miles
- Test number
- 156785918787
- AdvisoryNearside front tyre outer sidewall cut
Questions about T666 ADN
- Does T666 ADN currently have a valid MOT?
- Yes. DVSA records show the MOT on T666 ADN is valid until 26 Mar 2027.
- When is the MOT due on T666 ADN?
- The MOT on T666 ADN is valid until 26 Mar 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has T666 ADN done?
- T666 ADN was recorded at 109,160 miles at its MOT on 22 Mar 2026, an average of 9,179 miles a year.
- Has T666 ADN ever failed its MOT?
- Yes. T666 ADN has failed 1 of its 11 MOT tests, most recently on 10 Apr 2019.
- Has the mileage on T666 ADN 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 T666 ADN find?
- T666 ADN passed its latest MOT on 22 Mar 2026 with 2 advisories: rear exhaust noisy box; rear inner brake pad(s) wearing thin both side.
Related registrations
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.