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XKM 377S

1978 MG B

Green Petrol 1798cc
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MOT Status

Expired
Expires20 Jul 2026
Tests20 (16 pass, 4 fail)
Pass rate80%

Mileage

60,954 mi
Last recorded60,954 miles
Recorded on21 Jul 2025
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

RegistrationXKM 377S
MakeMG
ModelB
Year1978
ColourGreen
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

16 pass 4 fail
Pass 21 Jul 2025 60,954 miles
Pass 1 Jul 2024 60,495 miles
Pass 14 Mar 2023 60,460 miles
Pass 11 Feb 2022 60,239 miles
Pass 23 Sep 2020 60,235 miles
Pass 27 Jun 2019 60,161 miles

Fluid leak, but not excessive coolant (8.4.1 (a) (i))

Fail 20 Jun 2019 60,159 miles

Indicator switch inoperative (4.4.2 (a) (ii))

Offside Rear Service brake excessively binding (1.2.1 (f))

Windscreen wiper not working (3.4 (a))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Fluid leak, but not excessive coolant (8.4.1 (a) (i))

Pass 21 Jun 2018 60,079 miles
Pass 17 Jun 2017 60,050 miles
Pass 13 Jul 2015 60,111 miles
Pass 16 Jul 2014 60,006 miles
Fail 7 Jul 2014 60,006 miles

Rear Mechanical brake component has restricted free movement (3.5.1k)

Pass 17 Jul 2013 59,984 miles
Pass 11 Jul 2012 59,974 miles
Pass 22 Jun 2011 59,919 miles
Fail 16 Jun 2010 59,910 miles

Front coil spring fractured (2.4.C.1a)

Pass 16 Jun 2010 59,910 miles
Pass 13 Jul 2009 59,313 miles
Pass 23 Oct 2006 59,177 miles
Fail 8 Sep 2006 59,177 miles

Front Direction indicator flashing less than 60 times a minute (1.4.A.2g)

Front brake disc excessively pitted (3.5.1h)

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

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

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

Offside Front Subframe mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Subframe mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Suspension spring mounting prescribed area is excessively corroded (2.4.A.3)

Windscreen washer provides insufficient washer liquid (8.2.3)

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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XKM 377S is a 1978 MG B in Green with a 1,798cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 80%.

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 XKM 377S, 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 XKM 377S?

You can check the full history of XKM 377S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was XKM 377S registered?

XKM 377S is a 1978 MG B, first registered on 29 March 1978.

Is XKM 377S safe to buy?

The MOT history for XKM 377S shows 20 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does XKM 377S 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 XKM 377S. 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.