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ONP 231L

1972 MG B

Red Petrol 1798cc
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MOT Status

Expired
Expires30 Jun 2026
Tests17 (10 pass, 7 fail)
Pass rate58.8%

Mileage

68,724 mi
Last recorded68,724 miles
Recorded on1 Jul 2025
Typical for 1972 MG B37,468 mi

Significantly above average — investigate

4 checks still locked for this MG
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationONP 231L
MakeMG
ModelB
Year1972
ColourRed
Fuel typePetrol
Engine1,798cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

10 pass 7 fail
Pass 1 Jul 2025 68,724 miles
Pass 15 Sep 2022 67,539 miles
Pass 28 Aug 2020 67,339 miles

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

position lamp switch operation.

Fail 24 Aug 2020 67,339 miles

Offside Rear Service brake excessively binding (1.2.1 (f))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

position lamp switch operation.

Pass 19 Jul 2017 67,220 miles

sidelight switch operation.

Front Brake pad(s) wearing thin (3.5.1g)

Pass 30 Mar 2016 67,022 miles
Fail 24 Mar 2016 67,022 miles

Front Brakes imbalanced across an axle (3.7.B.5b)

Offside Front Hydraulic brake cylinder leaking hydraulic fluid (3.6.A.1)

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Pass 27 Mar 2015 66,517 miles
Fail 17 Mar 2015 66,514 miles

Offside Front Direction indicator not working (1.4.A.2c)

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Rear Brakes imbalanced across an axle (3.7.B.5b)

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

drag at o/s/r wheel.

Pass 11 Mar 2014 66,499 miles

o/s/r hub has slight oil leak on back plate

Fail 4 Mar 2014 66,499 miles

Nearside Front Anti-roll bar attachment bracket/mounting insecure (2.4.G.1)

Nearside Front Lower Front suspension has excessive movement at a wishbone pin or bush (2.5.A.1c)

Nearside Front Upper Shock absorber has an excessively worn shock absorber pivot (2.7.4)

Steering locking device insecure (2.2.C.1g)

o/s/r hub has slight oil leak on back plate

Pass 22 Dec 2011 66,476 miles

Oil leak

slight play in steering rack

Fail 12 Dec 2011 66,467 miles

An item not tested (Manual)

Nearside Headlamp aim too high (1.8)

Offside Front Anti-roll bar has excessive play in a pin/bush (2.4.G.2)

Oil leak

slight play in steering rack

wet conditions

Pass 4 Jul 2008 62,637 miles
Fail 3 Jul 2008 62,637 miles

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

Centre Exhaust system not adequately supported (7.1.1)

Pass 26 Aug 2005 61,687 miles
Fail 23 Aug 2005 61,687 miles

Driver's seat insecure (6.2.A.1)

Front passenger seat insecure (6.2.3)

Nearside Front Seat belt insecurely fixed to the vehicles structure (5.2.1a)

Offside Front Seat belt insecurely fixed to the vehicles structure (5.2.1a)

Offside Front suspension locking device ineffective (2.5.A.4)

Offside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3)

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

Rear Brake hose excessively deteriorated (3.6.B.4d)

Rear Exhaust system not adequately supported (7.1.1)

Steering column universal joint locking device missing (2.1.6)

How Reliable is the MG B?

Based on 191,608 MOT tests across 19,443 vehicles.

78.1%
Pass Rate
381
Miles/Year
63
Year Lifespan
19,443
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 5,224
brake binding 4,089
Parking brake: efficiency below requirements 3,715
Stop lamp not working 3,343
Steering rack gaiter split 2,887
Full MG B reliability report

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ONP 231L is a 1972 MG B in Red with a 1,798cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 58.8%.

Across all 1972 MG B models, the average MOT pass rate is 79.5% with a typical mileage of 37,468 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a MG B fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 5,224 recorded failures. If you're considering buying ONP 231L, it's worth having these areas checked by a mechanic before committing.

The MG B typically stays on UK roads for around 63 years. At 54 years old, this MG B is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of ONP 231L?

You can check the full history of ONP 231L by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ONP 231L registered?

ONP 231L is a 1972 MG B, first registered on 1 August 1972.

Is ONP 231L safe to buy?

The MOT history for ONP 231L shows 17 tests with a 58.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ONP 231L have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on ONP 231L. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.