Should I check the MOT history before buying a 1991 Bentley Turbo?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 1991 Bentley Turbo?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 1991 Bentley Turbo?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

How many 1991 Bentley Turbo vehicles have had dangerous defects recorded?

32% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Is the 1991 Bentley Turbo reliable?

Based on MOT data from 168 vehicles, the 1991 Bentley Turbo has a first-time MOT pass rate of 77.6%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 1991 Bentley Turbo?

The most frequently recorded MOT issues on the 1991 Bentley Turbo are: Parking brake: efficiency below requirements (113.7% of vehicles), Oil leak (58.2% of vehicles), Oil leak, but not excessive (37.4% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 1991 Bentley Turbo?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Bentley Turbo (1991)

168 real MOT outcomes analysed • 77.6% first-time pass rate

1991 Bentley Turbo

CarHunch analysed 168 real MOT records for the 1991 Bentley Turbo. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Compare Models

The 1991 Bentley Turbo falls slightly below the UK average with a 77.6% first-time MOT pass rate, and carries a serious concern: 32.1% of these vehicles have recorded dangerous defects at some point, well above the typical threshold. This is a car that demands extra caution from buyers and owners alike.

At 33 years old, these Bentleys are running at reasonable mileage (median 80,681 miles), but they're developing real problems—averaging nearly 3 failures and 12 advisories per test cycle. Before committing to one, have a pre-purchase inspection focus specifically on brake systems, steering, and suspension integrity, given the dangerous defect prevalence.

We have limited data for the 1991 Bentley Turbo — treat the figures below as indicative rather than definitive.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

77.6%

UK average ~80%

Around average

Dangerous (ever)

32.1%

At least once in MOT history

Check this vehicle

Avg failures / car

2.98

Over 12.6 tests on record

High

Typical mileage

81k

Middle half: 56k–103k

For context

These stats describe 168 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Watch for defects — worth knowing

What tends to go wrong

Across 168 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Brake wear 113.7%

Parking brake: efficiency below requirements · Offside Front Brake pipe slightly corroded · Parking brake lever has no reserve travel · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Other issues 58.2%

Oil leak · Oil leak, but not excessive

Suspension & steering 34.3%

Nearside Rear wheel bearing has slight play · Offside Rear wheel bearing has slight play · Offside Rear Shock absorber has a light misting of oil · …

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Tyre wear 31.3%

Nearside Front Tyre worn close to the legal limit · Offside Rear Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Data covers a 3-year window centred on 1991.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 168 Bentley Turbo cars.

Before you buy a 1991 Bentley Turbo

Based on MOT data from 168 vehicles — here's what to check.

📋 Check the full MOT history. 32.1% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (99%)	167	77.7%	2.98

Mileage Distribution

Most 1991 Bentley Turbo vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

80,681

typical

56,139

low mileage

103,226

high mileage

Half of all 1991 Bentley Turbo vehicles fall between 56,139 and 103,226 miles.

Is the mileage you're seeing normal?

✓ Under 56,139 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 56,139–103,226 miles — normal for age. This is where most 1991 Bentley Turbos sit.

⚠ Over 139,355 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1991 Bentley Turbo — Still on the Road

Numbers are thinning — 46% of 1991 Bentley Turbos are still active.

Numbers are declining — 41 vehicles still getting MOTs in 2025 (46% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

12.6

Avg MOT tests per vehicle

2.98

Avg failures per vehicle

11.9

Avg advisories per vehicle

Other model years — Bentley Turbo: All Turbo years → Which year to buy? →

1987 1988 1989 1990 1992 1994 1995 1996 1997

Or browse all models: Bentley →

Compare with another model

See how the 1991 Bentley Turbo stacks up against a rival.

Watch for defects — worth knowing