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FNN 477J

1971 MG Mgb GT

White Petrol 1798cc
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MOT Status

Valid
Expires19 Nov 2026
Tests26 (15 pass, 11 fail)
Pass rate57.7%

Mileage

22,138 mi
Last recorded22,138 miles
Recorded on10 Nov 2025
Typical for 1971 MG Mgb GT20,291 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

RegistrationFNN 477J
MakeMG
ModelMgb GT
Year1971
ColourWhite
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

15 pass 11 fail
Pass 10 Nov 2025 22,138 miles

Oil leaks

Rear brakes slightly out of balance

Slight leak from exhaust front/centre pipe joint

Slight play in both front kingpins

Fail 10 Nov 2025 22,138 miles

Nearside Windscreen washer not working (3.5 (a))

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Oil leaks

Rear brakes slightly out of balance

Slight leak from exhaust front/centre pipe joint

Slight play in both front kingpins

Pass 20 Nov 2024 21,489 miles

Offside Front Inner sill has hole not within

king pins slight play

rear bump stops missing

rear tyres perishing

thick underbody sealant

Fail 15 Nov 2024 21,487 miles

Parking brake efficiency below requirements (1.4.2 (a) (i))

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

Rear Fuel pipe union leaking on tank (6.1.3 (b) (i))

Offside Front Inner sill has hole not within

king pins slight play

rear bump stops missing

rear tyres perishing

thick underbody sealant

Pass 20 Jun 2022 20,291 miles

Front king pins slight play

Rear bump stops missing

reverse lights inop

Fail 8 Jun 2022 20,291 miles

Offside Front Subframe mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i))

Offside Obligatory mirror missing (3.3 (a))

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

Front king pins slight play

Rear bump stops missing

reverse lights inop

Fail 6 May 2022 20,287 miles

Nearside Front Brake hose excessively deteriorated (1.1.12 (b) (ii))

Nearside Front Headlamp aim too high (4.1.2 (a))

Nearside Rear Leaf spring shackle pin or bush excessively worn (5.3.4 (a) (i))

Nearside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced inner wing (7.1.1 (a) (i))

Nearside Rear Upper Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i))

Offside Front Brake hose excessively deteriorated (1.1.12 (b) (ii))

Offside Front Headlamp aim too high (4.1.2 (a))

Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength floor (5.3.6 (a) (i))

Offside Rear Brakes imbalanced across an axle (1.2.1 (b) (i))

Offside Rear Leaf spring shackle pin or bush excessively worn back bush (5.3.4 (a) (i))

Offside Rear Upper Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i))

Parking brake efficiency below requirements (1.4.2 (a) (i))

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

Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) DANGEROUS

Pass 12 Jul 2017 15,837 miles
Pass 12 Jul 2016 14,415 miles

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

headlamp aims on upper limits

Fail 12 Jul 2016 14,415 miles

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

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

headlamp aims on upper limits

Pass 13 Jul 2015 13,107 miles
Pass 24 Jul 2014 11,575 miles

Nearside Front Shock absorber has a light misting of oil (2.7.3)

Nearside Front suspension has slight play in a upper suspension ball joint (2.5.B.1a)

Offside Front wheel bearing has slight play (2.5.A.3c)

underside of vehicle ,chassis and floorpan ,has been heavily undersealed

Pass 28 Jun 2013 9,983 miles

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Pass 28 Jul 2012 8,691 miles

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 23 Feb 2012 7,780 miles

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

o/s inner door pull missing.

Fail 22 Feb 2012 7,780 miles

Offside Rear wheel cylinder leaking (3.6.A.1)

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

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

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

o/s inner door pull missing.

Pass 16 Jul 2011 6,755 miles

Nearside Front Shock absorber has a light misting of oil (2.7.3)

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

front exhaust clamp fixing missing

play in steering rack assembly

windscreen has some light scoring at end of wiper tracks

Fail 13 Jul 2011 6,735 miles

Nearside Front Mechanical brake component locking device insecure (3.5.1l)

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

Offside Front Mechanical brake component locking device insecure (3.5.1l)

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

Rear Brake pipe inadequately supported (3.6.B.1)

Nearside Front Shock absorber has a light misting of oil (2.7.3)

Nearside Rear Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

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

front exhaust clamp fixing missing

play in steering rack assembly

windscreen has some light scoring at end of wiper tracks

Pass 26 Jul 2010 4,705 miles

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

Offside Front Front suspension has slight movement at a suspension ball joint (2.5.A.1c)

Fail 26 Jul 2010 4,705 miles

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

Offside Front Front suspension has slight movement at a suspension ball joint (2.5.A.1c)

Offside Headlamp aim too low (1.8)

Pass 19 Aug 2008 3,612 miles

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

Nearside Front Vehicle structure has slight corrosion (6.1.B.2)

Nearside Rear Vehicle structure has slight corrosion (6.1.B.2)

Offside Front Vehicle structure has slight corrosion (6.1.B.2)

Vehicle structure has slight corrosion (6.1.B.2)

both front king pins have slight play,

Fail 19 Aug 2008 3,612 miles

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

Nearside Front Front wheel bearing has excessive play (2.5.A.3c)

Nearside Front Vehicle structure has slight corrosion (6.1.B.2)

Nearside Rear Vehicle structure has slight corrosion (6.1.B.2)

Offside Front Vehicle structure has slight corrosion (6.1.B.2)

Vehicle structure has slight corrosion (6.1.B.2)

both front king pins have slight play,

Pass 3 Aug 2007 690 miles

Valve stem slightly damaged (4.1.D.1e)

Fail 3 Aug 2007 690 miles

Nearside Front All position lamps not working (1.1.A.3b)

Nearside Rear All position lamps not working (1.1.A.3b)

Valve stem slightly damaged (4.1.D.1e)

Pass 1 Sep 2006 98,218 miles
Fail 1 Sep 2006 98,218 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

How Reliable is the MG Mgb GT?

Based on 3,633 MOT tests across 342 vehicles.

74.8%
Pass Rate
484
Miles/Year
60
Year Lifespan
342
On UK Roads

Top MOT Failure Points

Parking brake: efficiency below requirements 113
Windscreen washer provides insufficient washer liquid 108
brake binding 88
Suspension spring mounting prescribed area is excessively corroded 70
Stop lamp not working 69
Full MG Mgb GT reliability report

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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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FNN 477J is a 1971 MG Mgb GT in White with a 1,798cc petrol engine. This vehicle has been through 26 MOT tests with a personal pass rate of 57.7%.

Across all 1971 MG Mgb GT models, the average MOT pass rate is 74.2% with a typical mileage of 20,291 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 Mgb GT fails its MOT is parking brake: efficiency below requirements, accounting for 113 recorded failures. If you're considering buying FNN 477J, it's worth having these areas checked by a mechanic before committing.

The MG Mgb GT typically stays on UK roads for around 60 years. At 55 years old, this MG Mgb GT is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of FNN 477J?

You can check the full history of FNN 477J by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was FNN 477J registered?

FNN 477J is a 1971 MG Mgb GT, first registered on 1 April 1971.

Is FNN 477J safe to buy?

The MOT history for FNN 477J shows 26 tests with a 57.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does FNN 477J 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 FNN 477J. 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.