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TJG 503T

1978 MG B

Orange Petrol 3946cc
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MOT Status

Valid
Expires29 Apr 2027
Tests21 (18 pass, 3 fail)
Pass rate85.7%

Mileage

66,432 mi
Last recorded66,432 miles
Recorded on30 Apr 2026
Typical for 1978 MG B49,048 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

RegistrationTJG 503T
MakeMG
ModelB
Year1978
ColourOrange
Fuel typePetrol
Engine3,946cc

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

18 pass 3 fail
Pass 30 Apr 2026 66,432 miles

under body covered with under sealer

Pass 13 Mar 2025 66,401 miles
Pass 16 Feb 2022 66,352 miles

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

Pass 25 Jun 2020 66,281 miles
Fail 25 Jun 2020 66,281 miles

Nearside Front Fluid leak harmful to the environment or a risk to other road users (8.4.1 (a) (i))

Driver's seat insecure (6.2.5 (a) (ii)) DANGEROUS

Pass 29 Jun 2018 64,215 miles
Pass 19 Jun 2017 61,747 miles
Pass 20 Jun 2016 59,572 miles
Pass 10 Jun 2015 57,795 miles

Offside Track rod end ball joint has slight play (2.2.B.1f)

Steering system slightly tight (2.2.D.1)

nearside jacking point / floorpan corroded outside of pescribed areas

Pass 26 Jun 2014 55,352 miles
Pass 24 Jun 2013 52,859 miles
Pass 18 Jun 2012 51,128 miles

Front registration plate deteriorated but not likely to be misread (6.3.1d)

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

Fail 21 Jun 2011 49,131 miles

Coolant leak

Nearside Front Wheel nut(s) loose (4.2.A.1e)

Offside Track rod end ball joint has slight play (2.2.B.1f)

Pass 21 Jun 2011 49,131 miles

Coolant leak

Offside Track rod end ball joint has slight play (2.2.B.1f)

Pass 28 Jun 2010 46,894 miles
Pass 19 Jun 2009 44,067 miles
Pass 3 Jul 2008 41,540 miles

Nearside Front Steering system lightly rubbing (2.2.D.2a)

Offside Front Steering system lightly rubbing (2.2.D.2a)

Fail 2 Jul 2008 41,540 miles

Indicator switch faulty (1.4.A.1)

Nearside Front Steering system lightly rubbing (2.2.D.2a)

Offside Front Steering system lightly rubbing (2.2.D.2a)

offside rear oil leak from half shaft seal, possibly contaminating brakes but not affecting brake performance

rear fog lamp not working but not a requirement for age of vehicle

Pass 3 Jul 2007 38,594 miles

slight dampness of oil on o/s rear back plate

Pass 4 Jul 2006 35,064 miles
Pass 30 Jun 2005 30,530 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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TJG 503T is a 1978 MG B in Orange with a 3,946cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 85.7%.

Across all 1978 MG B models, the average MOT pass rate is 74.8% with a typical mileage of 49,048 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 TJG 503T, 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 48 years old, this MG B is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of TJG 503T?

You can check the full history of TJG 503T by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was TJG 503T registered?

TJG 503T is a 1978 MG B, first registered on 1 September 1978.

Is TJG 503T safe to buy?

The MOT history for TJG 503T shows 21 tests with a 85.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does TJG 503T 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 TJG 503T. 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.