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GBY 100J

1971 MG B

Yellow Petrol 1798cc
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MOT Status

Valid
Expires2 Jul 2027
Tests19 (17 pass, 2 fail)
Pass rate89.5%

Mileage

17,320 mi
Last recorded17,320 miles
Recorded on18 Jun 2026
Typical for 1971 MG B35,468 mi

Below or average mileage for this year

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

RegistrationGBY 100J
MakeMG
ModelB
Year1971
ColourYellow
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

17 pass 2 fail
Pass 18 Jun 2026 17,320 miles

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Fail 18 Jun 2026 17,320 miles

Stop lamp(s) not working (4.3.1 (a) (ii))

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Pass 3 Jul 2025 16,981 miles

All direction indicators flashing less than 60 times a minute (4.4.4 (a))

Fail 27 Jun 2025 16,966 miles

Nearside Direction indicator not working (4.4.1 (a) (ii))

Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Offside Direction indicator not working (4.4.1 (a) (ii))

Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Offside Windscreen washer not working (3.5 (a))

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

Offside Front Play in steering rack inner joint(s)

Pass 7 Jun 2024 16,656 miles
Pass 30 Apr 2021 15,727 miles
Pass 4 Sep 2019 15,295 miles
Pass 26 Apr 2017 14,337 miles
Pass 26 Apr 2016 13,995 miles
Pass 9 Apr 2015 13,262 miles
Pass 15 Apr 2014 13,177 miles
Pass 9 Apr 2013 12,726 miles
Pass 19 Apr 2012 12,491 miles
Pass 21 Apr 2011 12,054 miles

Offside Front Ball joint has slight play (2.2.B.1f)

Radiator leaking nearside lower corner

Pass 15 Apr 2010 11,432 miles
Pass 21 Apr 2009 8,030 miles
Pass 22 Apr 2008 7,263 miles
Pass 30 Apr 2007 5,055 miles
Pass 18 Apr 2006 3,618 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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GBY 100J is a 1971 MG B in Yellow with a 1,798cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 89.5%.

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 performed better than the average for its year.

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 GBY 100J, 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 GBY 100J?

You can check the full history of GBY 100J by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GBY 100J registered?

GBY 100J is a 1971 MG B, first registered on 17 May 1971.

Is GBY 100J safe to buy?

The MOT history for GBY 100J shows 19 tests with a 89.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GBY 100J 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 GBY 100J. 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.