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BYB 85S

1978 MG B GT

Orange Petrol 1798cc
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MOT Status

Expired
Expires7 May 2026
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

90,999 mi
Last recorded90,999 miles
Recorded on8 May 2025
Typical for 1978 MG B GT48,159 mi

Significantly above average — investigate

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

RegistrationBYB 85S
MakeMG
ModelB GT
Year1978
ColourOrange
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 7 fail
Pass 8 May 2025 90,999 miles

Nearside Front floor corroded but not excessive

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing 165/80/14 85T (5.2.3 (d) (ii))

Nearside Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

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

Pass 21 Oct 2019 89,686 miles
Fail 21 Oct 2019 89,686 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Pass 13 Sep 2018 87,290 miles
Pass 27 Feb 2018 86,506 miles
Pass 13 Feb 2017 86,453 miles
Pass 9 Feb 2016 85,975 miles
Fail 9 Feb 2016 85,975 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

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

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

Pass 4 Nov 2014 85,385 miles
Pass 1 Nov 2013 85,179 miles
Fail 1 Nov 2013 85,179 miles

Battery insecure (1.9.1)

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Offside Rear position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)

Offside rear brake binding (3.7.B.1)

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

Brake pipe slightly corroded (3.6.B.2c)

Nearside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Rear Brake pipe slightly corroded (3.6.B.2c)

Pass 5 Oct 2012 84,780 miles

Battery insecure

Nearside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Rear position lamp(s) slightly affected by the operation of another lamp (1.1.A.3f)

Fail 5 Oct 2012 84,780 miles

Battery insecure

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Nearside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Rear position lamp(s) slightly affected by the operation of another lamp (1.1.A.3f)

Pass 27 Oct 2011 84,202 miles
Pass 7 Oct 2010 83,167 miles

rear axle check straps deteriorated

Fail 8 Sep 2010 83,163 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Offside Rear Anti-roll bar rubber bush bonding deteriorated resulting in excessive movement (2.4.G.2)

rear brake application uneven (3.7.B.2)

rear brakes release unevenly (3.7.B.4)

Nearside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Offside Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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

fluid leak at o/s/r brake back plate

o/s/r foot and handbrake readings low

Pass 15 Sep 2009 82,667 miles
Fail 14 Sep 2009 82,660 miles

Nearside Rear rear brake binding (3.7.B.1)

Offside Lower Registration plate lamp not working (1.1.5c)

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

Windscreen wiper does not clear the windscreen effectively (8.2.2)

Axle king pin has slight play in pin and/or bush (2.5.A.3a)

battery bracket bolt/stud insecure fowling battery earth lead

Pass 29 Aug 2008 82,186 miles

Offside Brake pipe slightly corroded (3.6.B.2c)

Oil leak

Pass 15 Aug 2007 80,771 miles
Fail 15 Aug 2007 80,771 miles

Rear Parking brake lever has no reserve travel (3.1.6b)

Pass 2 Aug 2006 79,693 miles

Front wish bone bushs starting to perish

Slight play in N/S/F king pin

How Reliable is the MG B GT?

Based on 132,623 MOT tests across 14,879 vehicles.

74.5%
Pass Rate
458
Miles/Year
60
Year Lifespan
14,879
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 4,350
Suspension spring mounting prescribed area is excessively corroded 4,119
brake binding 3,855
Parking brake: efficiency below requirements 3,693
Suspension component mounting prescribed area is excessively corroded 3,413
Full MG B 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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BYB 85S is a 1978 MG B GT in Orange with a 1,798cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 68.2%.

Across all 1978 MG B GT models, the average MOT pass rate is 70.9% with a typical mileage of 48,159 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 GT fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 4,350 recorded failures. If you're considering buying BYB 85S, it's worth having these areas checked by a mechanic before committing.

The MG B GT typically stays on UK roads for around 60 years. At 48 years old, this MG B GT is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of BYB 85S?

You can check the full history of BYB 85S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was BYB 85S registered?

BYB 85S is a 1978 MG B GT, first registered on 21 March 1978.

Is BYB 85S safe to buy?

The MOT history for BYB 85S shows 22 tests with a 68.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does BYB 85S 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 BYB 85S. 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.