1990 Bentley Turbo 6.8L Petrol · A 2
1990 Bentley Turbo (6.8L, petrol). First registered 07 Aug 1990. Recorded mileage 84,243 miles.
- Make & Model
- BENTLEY TURBO
- Year / Origin
- 1990 · Peterborough
- Safety Recall
- Unknown
- MOT Status
- —
- Road Tax
- —
- Recorded Mileage
- 84,243 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- 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.
A 2 Key Findings
- 11 MOT tests recorded
- Latest MOT failed on 18/07/2016
- 84,243 miles recorded at latest MOT
- 1 historical MOT failure
- 5 defects noted at the latest MOT
- Recurring lighting items (7 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
A 2 MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
11 MOT tests are recorded for this 1990 Bentley Turbo (A 2) between July 2006 and July 2016.
The record contains 10 passes and 1 failure.
The most recent test on 18 July 2016 was a fail; the vehicle has not passed its last recorded MOT.
Across all tests, the most frequently flagged areas are: Lighting (7 issues), Tyres (5 issues), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 11 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.
Recorded failure items include: “Parking brake: efficiency below requirements (3.7.B.7)”; “Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)”.
A 2 Mileage History
- 28/07/200676,954 mi
- 24/07/200776,753 mi-201 mi
- 23/07/200880,434 mi+3,681 mi
- 24/07/200980,981 mi+547 mi
- 13/07/201081,179 mi+198 mi
- 13/07/201181,181 mi+2 mi
- 31/07/201281,810 mi+629 mi
- 22/07/201382,379 mi+569 mi
- 23/07/201482,424 mi+45 mi
- 14/07/201583,600 mi+1,176 mi
- 18/07/201684,243 mi+643 mi
Average of roughly 731 miles per year across 11 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
Technical Specifications
Core Specifications
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Dimensions & Weights
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Known faults for Bentley Bentley Turbo R
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below Average
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.
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BENTLEY TURBO 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 1990 model year cars.
- High-Pressure Hydraulic Brake Accumulator and Mineral Oil System FailureSerious
The Turbo R utilises a Citroën-licensed high-pressure dual-circuit hydraulic braking and self-levelling suspension system powered by two engine-driven mechanical pumps. Over time, the nitrogen-filled spherical brake accumulators lose their charge, internal seals in the brake distribution valves degrade, and corrosive mineral fluid (or incorrect DOT fluid mistakenly added) ruins the internal rubber seals. This causes rapid pedal stiffening, delayed braking assistance, and pump cavitation.
- Exhaust Manifold Cracking and Gasket Blow-ByModerate
The cast iron exhaust manifolds and heat-cycling gaskets on the turbocharged 6.75-litre V8 undergo intense thermal expansion and contraction cycles. The massive heat retained in the SZ engine bay causes the cast iron manifolds to warp or develop hairline fissures, while the copper-clad composite manifold gaskets burn through, creating sharp ticking exhaust leaks on cold startup that can damage cylinder head studs.
- Active Ride Damper and Gas Spring Sphere DeteriorationSerious
Post-1990 Turbo R models feature an electronically modulated Active Ride damping system with hydraulic gas spring accumulator spheres. Over 8–10 years, the nitrogen gas permeating the internal rubber diaphragms leaks into the hydraulic fluid, eliminating pneumatic damping cushion. This forces the hydraulic fluid directly against solid strut stops, causing severe ride harshness, damper seal blowouts, and fractured rear subframe mountings.
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