DVLA verified
Tax valid

1984 BENTLEY MULSANNE6.8L Petrol

BK 555

Vehicle Insight Summary

This 1984 BENTLEY MULSANNE is a Petrol vehicle with a 6750cc engine. Currently it has no valid MOT recorded and is taxed for road use. The latest recorded mileage is 78,956.

MOT
Expired
Expires 03/12/2025
Tax
Taxed
Expires 01/06/2027
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£8.99
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Fuel
Petrol
Year
1984
Engine
6750cc
Expert AI · Mechanic's Insight
The roadworthiness of this vehicle is currently declining, showing a worsening trend in structural and mechanical degradation. While the car maintained clean records through 2022 and 2023, the December 2025 test at 78,956 miles resulted in multiple critical failures. The tester identified advancing underbody corrosion on the front sub-frame and rear suspension arms, alongside excessive carbon monoxide emissions and an oil leak. These findings indicate that the vehicle has moved from a state of stability into one of active structural and engine neglect. At 42 years old, the recorded 78,956 miles represent a very low average of approximately 1,880 miles per year. However, the data reveals a period of significant inactivity or erratic use between June 2023 and November 2024, where the car covered only 75 miles in 17 months. This low-usage pattern often correlates with the degradation of rubber components and the onset of corrosion, evidenced by the damaged ball joint boot and play in the front steering joints noted during the November and December 2024 tests. A buyer must prioritize a thorough physical inspection of the structural integrity of the front sub-frame and rear suspension arms, as the record explicitly flags corrosion that is not yet seriously weakened but is advancing. The recurring presence of a damp steering rack and engine leaks requires a professional pressure test to determine if these are minor weeping or catastrophic failures. Given the excessive emissions recorded in the most recent test, the engine's fuel system and combustion health also require expert diagnostic attention before the vehicle is truly roadworthy.

AI insights are experimental and can be incorrect. All claims should be manually verified.

Free vehicle health score

40
/ 100 · Below Average

Public record health check: Below Average.

Based on free DVLA & DVSA signals. Premium checks for stolen/finance/write-off history are locked below.

✗ MOT Expired or Failed
✓ Taxed
! Average MOT pass rate (60%)
✗ 1 dangerous defects found recently
A score of 40 doesn't mean it's safe to buy. Private markers don't appear in public data.
Verified Experian Data

Full History Report

Official provenance and safety check for BK555

Data provided by Experian
Stolen
Locked
Finance
Locked
Write-off
Locked
Salvage
Locked
Imported
Locked
Exported
Locked
Scrapped
Locked
Destruction
Locked
V5C Logbook
Locked
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Technical Specifications

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Full MOT History

Live data last synced with DVSA: 29 Jul 2026, 01:46
Expert AI · Mechanic's Insight
The roadworthiness of this vehicle is currently declining, showing a worsening trend in structural and mechanical degradation. While the car maintained clean records through 2022 and 2023, the December 2025 test at 78,956 miles resulted in multiple critical failures. The tester identified advancing underbody corrosion on the front sub-frame and rear suspension arms, alongside excessive carbon monoxide emissions and an oil leak. These findings indicate that the vehicle has moved from a state of stability into one of active structural and engine neglect. At 42 years old, the recorded 78,956 miles represent a very low average of approximately 1,880 miles per year. However, the data reveals a period of significant inactivity or erratic use between June 2023 and November 2024, where the car covered only 75 miles in 17 months. This low-usage pattern often correlates with the degradation of rubber components and the onset of corrosion, evidenced by the damaged ball joint boot and play in the front steering joints noted during the November and December 2024 tests. A buyer must prioritize a thorough physical inspection of the structural integrity of the front sub-frame and rear suspension arms, as the record explicitly flags corrosion that is not yet seriously weakened but is advancing. The recurring presence of a damp steering rack and engine leaks requires a professional pressure test to determine if these are minor weeping or catastrophic failures. Given the excessive emissions recorded in the most recent test, the engine's fuel system and combustion health also require expert diagnostic attention before the vehicle is truly roadworthy.

AI insights are experimental and can be incorrect. All claims should be manually verified.

AI Analysis · MOT Narrative

Checking the history for this 1984 Bentley Mulsanne (BK 555), we found 5 MOT results in the period of March 2022 to December 2025.

With 3 passes and 2 failures, the lifetime MOT pass rate stands at 60%. While not perfect, the history shows a relatively typical pattern of MOT passes and fails.

The most commonly flagged areas across all MOT tests are: Suspension (5 issues), Lighting (4 issues), Windscreen (2 issues), Steering (2 issues), Bodywork (1 issue). These areas are worth paying attention to when inspecting this vehicle.

There are 18 advisory notices in the MOT history. Advisories are not failures but indicate areas that may need attention in the future.

A total of 3 failure items have been recorded across all tests. Recent failure items include: “Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))”; “Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))”; “Stop lamp(s) all not working (4.3.1 (a) (iii))”.

AI insights are experimental and can be incorrect. All claims should be manually verified.

PASS
FAIL
ADVISORY