2020 Bentley Mulsanne 6.8L Petrol · IIG 820
2020 Bentley Mulsanne (6.8L, petrol). First registered 26 Jun 2020. Recorded mileage 11,318 miles. MOT valid until 09 Feb 2027. Taxed until 01 Nov 2026.
- Make & Model
- BENTLEY MULSANNE
- Year / Origin
- 2020
- Safety Recall
- Unknown
- MOT Status
- Valid until 09 Feb 2027
- Road Tax
- Taxed (01 Nov 2026)
- Recorded Mileage
- 11,318 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6)
- Fuel & Engine
- Petrol · 6.8L
- 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.
IIG 820 Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 16/01/2026
- 11,318 miles recorded at latest MOT
- No defects recorded at the latest MOT
- Recurring tyres items (3 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
IIG 820 MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2020 Bentley Mulsanne (IIG 820) between June 2023 and January 2026.
The record contains 5 passes and 0 failures.
The record shows no MOT failures, although 3 advisory notices note items to monitor.
Across all tests, the most frequently flagged areas are: Tyres (3 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 3 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
IIG 820 Mileage History
- 07/06/20236,355 mi
- 01/02/20246,953 mi+598 mi
- 31/01/20259,736 mi+2,783 mi
- 10/02/20259,737 mi+1 mi
- 16/01/202611,318 mi+1,581 mi
Average of roughly 1,900 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Bentley Bentley Mulsanne
Our database tracks 3 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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Common Problems: BENTLEY MULSANNE
Known issues reported by owners and MOT testers.
- Coolant Expansion Tank Leaks(Moderate)
The plastic expansion tanks can crack or the seals can fail, leading to slow coolant loss.
- 6.75L V8 Turbo Oil Feed Line Leaks(Serious)
The legendary 6.75-litre V8 uses turbo oil feed lines that can develop leaks as they age, leading to oil consumption, potential turbo damage, and in severe cases engine bay fires if oil contacts hot exhaust components.
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BENTLEY MULSANNE Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2020 model year cars.
- Coolant Expansion Tank LeaksModerate
The plastic expansion tanks can crack or the seals can fail, leading to slow coolant loss.
- 6.75L V8 Turbo Oil Feed Line LeaksSerious
The legendary 6.75-litre V8 uses turbo oil feed lines that can develop leaks as they age, leading to oil consumption, potential turbo damage, and in severe cases engine bay fires if oil contacts hot exhaust components.
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