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XGT 644S

1977 MG B

Red Petrol 3500cc
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MOT Status

Valid
Expires30 Jul 2027
Tests28 (19 pass, 9 fail)
Pass rate67.9%

Mileage

73,814 mi
Last recorded73,814 miles
Recorded on21 Jul 2026
Typical for 1977 MG B40,549 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

RegistrationXGT 644S
MakeMG
ModelB
Year1977
ColourRed
Fuel typePetrol
Engine3,500cc

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

19 pass 9 fail
Pass 21 Jul 2026 73,814 miles

Gearbox slightly oil leak

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

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

Rear axle slight leak

Pass 30 Jul 2025 73,600 miles
Pass 31 Jul 2024 72,904 miles
Pass 4 Jul 2023 71,894 miles

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

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

Pass 15 Jul 2022 70,696 miles
Pass 5 Jul 2021 70,199 miles
Pass 21 Jul 2020 69,505 miles
Fail 21 Jul 2020 69,500 miles

Fuel system component leaking at fuel pump (6.1.3 (b) (i))

Pass 28 Jan 2019 68,401 miles

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

Fail 24 Jan 2019 68,397 miles

Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i))

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

Pass 12 Feb 2018 67,278 miles

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

Oil leak

Fail 31 Jan 2018 67,272 miles

Nearside Rear Brake cable has wires broken and is significantly weakened (3.5.1b)

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

Nearside rear brake recording little or no effort (3.7.B.5a)

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

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake lever has no reserve travel (3.1.6b)

Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b)

rear parking (secondary) brakes imbalanced (3.7.B.6b)

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

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

Oil leak

Pass 22 Feb 2017 66,496 miles

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

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

Oil leak

Rear both hub seals slight dampness

Fail 21 Feb 2017 66,492 miles

Offside Rear Brakes imbalanced across an axle 54% (3.7.B.5b)

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

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

Oil leak

Rear both hub seals slight dampness

Pass 11 Feb 2016 65,795 miles

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

Fail 4 Feb 2016 65,789 miles

Front Brakes imbalanced across an axle offside is lazy (3.7.B.5b)

Offside rear brake application uneven (3.7.B.2)

rear parking (secondary) brakes imbalanced 39% (3.7.B.6b)

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

Pass 2 Feb 2015 64,716 miles
Pass 13 Feb 2014 63,273 miles
Pass 3 Apr 2013 63,022 miles
Fail 3 Apr 2013 63,022 miles

Nearside Steering rack gaiter split (2.2.D.2d)

Pass 26 Apr 2012 61,748 miles

Offside Steering rack gaiter deteriorated (2.2.D.2d)

Pass 3 May 2011 61,288 miles

Nearside Front Lower Suspension arm has slight play in a pin/bearing (2.4.G.2)

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

engine oil leak

gearbox oil leak

Pass 29 Apr 2010 61,279 miles

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

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

Possible petrol leak from fuel tank.

Fail 22 Oct 2008 61,274 miles

Fuel tank leaking (7.2.3)

Hazard warning switch faulty (1.4.B.1d)

Hazard warning tell tale not working correctly (1.4.B.1e)

Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside Front suspension has excessive movement at a suspension ball joint (2.5.A.1c)

Nearside Rear Service brake grabbing severely (3.7.C.2)

Nearside Stop lamp not working (1.2.1b)

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Underside very corroded

Pass 16 Feb 2007 58,909 miles

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

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

Fail 6 Feb 2007 58,909 miles

Nearside Front Anti-roll bar attachment bracket/mounting corroded and its strength is seriously reduced (2.4.G.1)

Nearside Front Lower Suspension arm has excessive play in a pin/bush (2.4.G.2)

Nearside Front Upper Suspension arm has excessive play in a pin/bush (2.4.G.2)

Nearside Rear Leaf spring anchor bracket corroded and seriously weakened (2.4.B.6d)

Nearside Rear Leaf spring shackle bracket corroded and seriously weakened (2.4.B.6d)

Nearside Track rod end ball joint has excessive play (2.2.B.1f)

Offside Front Anti-roll bar attachment bracket/mounting damaged and its strength is seriously reduced (2.4.G.1)

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

hazards not workng very bright

Pass 18 Feb 2006 55,820 miles
Fail 2 Feb 2006 55,820 miles

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

Nearside Front Brake pipe excessively corroded (3.6.B.2c)

Steering system has excessive free play detected at the steering wheel (steering rack fitted) (2.2.A.1b)

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

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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XGT 644S is a 1977 MG B in Red with a 3,500cc petrol engine. This vehicle has been through 28 MOT tests with a personal pass rate of 67.9%.

Across all 1977 MG B models, the average MOT pass rate is 73.1% with a typical mileage of 40,549 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 XGT 644S, 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 49 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 XGT 644S?

You can check the full history of XGT 644S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was XGT 644S registered?

XGT 644S is a 1977 MG B, first registered on 1 October 1977.

Is XGT 644S safe to buy?

The MOT history for XGT 644S shows 28 tests with a 67.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does XGT 644S 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 XGT 644S. 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.