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MPT 830J

1971 MG B

Green Petrol 1800cc
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MOT Status

Valid
Expires30 Apr 2027
Tests22 (16 pass, 6 fail)
Pass rate72.7%

Mileage

39,268 mi
Last recorded39,268 miles
Recorded on1 May 2026
Typical for 1971 MG B35,468 mi

Above average mileage for this year

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

RegistrationMPT 830J
MakeMG
ModelB
Year1971
ColourGreen
Fuel typePetrol
Engine1,800cc

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

16 pass 6 fail
Pass 1 May 2026 39,268 miles

Front Both kingpins have slight play

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Fail 30 Apr 2026 39,266 miles

Front Brakes imbalanced across an axle by more than 50% Axle 1 (1.2.1 (b) (ii)) DANGEROUS

Offside Front Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) DANGEROUS

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) DANGEROUS

Front Both kingpins have slight play

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 5 Apr 2025 36,930 miles
Pass 23 Apr 2024 35,127 miles
Pass 9 Apr 2018 24,752 miles
Fail 5 Apr 2018 24,653 miles

Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp insecure (1.7.3)

Pass 24 Apr 2017 23,437 miles

Offside Upper Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

Fail 24 Apr 2017 23,437 miles

Main beam 'tell-tale' not working (1.7.4c)

Offside Indicator tell tale inoperative (1.4.A.2a)

Offside Upper Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

Pass 20 Apr 2016 22,094 miles
Fail 20 Apr 2016 22,094 miles

Nearside Stop lamp not working (1.2.1b)

Offside Stop lamp not working (1.2.1b)

Pass 16 Apr 2015 20,313 miles
Pass 2 Apr 2014 17,778 miles
Fail 1 Apr 2014 17,763 miles

Nearside Headlamp aim too low (1.8)

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

Offside Headlamp aim too low and too far to the left. (1.8)

Pass 26 Apr 2013 16,712 miles
Pass 17 Mar 2012 16,689 miles
Pass 8 Mar 2011 15,938 miles
Pass 29 Mar 2010 15,895 miles

Nearside Inner Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Inner Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 12 Mar 2009 15,383 miles
Pass 22 Feb 2008 14,424 miles
Fail 19 Feb 2008 14,207 miles

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

Nearside Rear Tyre(s) incorrect because different size tyres are fitted on the same axle. (4.1.A.1a)

Pass 6 Mar 2007 13,143 miles
Pass 15 Mar 2006 11,373 miles

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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MPT 830J is a 1971 MG B in Green with a 1,800cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 72.7%.

Across all 1971 MG B models, the average MOT pass rate is 79.3% with a typical mileage of 35,468 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 MPT 830J, 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 55 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 MPT 830J?

You can check the full history of MPT 830J by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was MPT 830J registered?

MPT 830J is a 1971 MG B, first registered on 1 February 1971.

Is MPT 830J safe to buy?

The MOT history for MPT 830J shows 22 tests with a 72.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does MPT 830J 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 MPT 830J. 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.