2021 Audi A8 3.0L Diesel · BW21 YKT
2021 Audi A8 (3.0L, diesel). First registered 30 Jun 2021. Recorded mileage 48,788 miles. MOT valid until 26 May 2027.
- Make & Model
- AUDI A8
- Year / Origin
- 2021 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Valid until 26 May 2027
- Road Tax
- Untaxed (30 Apr 2026)
- Recorded Mileage
- 48,788 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6)
- Fuel & Engine
- Diesel · 3.0L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
BW21 YKT Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 28/05/2026
- 48,788 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring tyres items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
BW21 YKT MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
4 MOT tests are recorded for this 2021 Audi A8 (BW21 YKT) between July 2024 and May 2026.
The record contains 3 passes and 1 failure.
The most recent test on 28 May 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
Recorded failure items include: “Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))”; “Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))”.
BW21 YKT Mileage History
- 24/07/202420,310 mi
- 25/07/202420,310 mi
- 22/07/202537,472 mi+17,162 mi
- 28/05/202648,788 mi+11,316 mi
Average of roughly 15,460 miles per year across 4 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Audi Audi A8 Mk4 (D5)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Excellent
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Digital Service History
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Vehicle & Plate History
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- 48V Belt-Starter Generator (BSG) FailureSerious
The Continental BSG power transistors overheat and fail, causing the 48V system to shut down and eventually leaving the car stranded.
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Both the upper and lower MMI screens can freeze, go black, or reboot, affecting navigation, climate and seat controls.
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