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TAN 378S

1977 MG B

White Petrol 1798cc
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MOT Status

Valid
Expires6 Oct 2026
Tests25 (18 pass, 7 fail)
Pass rate72%

Mileage

96,073 mi
Last recorded96,073 miles
Recorded on8 Sep 2025
Typical for 1977 MG B40,549 mi

Significantly above average — investigate

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

RegistrationTAN 378S
MakeMG
ModelB
Year1977
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

18 pass 7 fail
Pass 8 Sep 2025 96,073 miles

Offside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Pass 26 Sep 2024 95,857 miles

Front Tyre worn close to legal limit/worn on edge both inner edges worn (5.2.3 (e))

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

Pass 27 Sep 2023 95,521 miles
Pass 28 Sep 2022 95,171 miles
Pass 21 Sep 2021 94,755 miles
Pass 7 Oct 2020 94,576 miles

Engine oil leaks.

Oil leak at rear differential area.

Fail 1 Oct 2020 94,565 miles

Nearside Front Brake hose leaking on a hydraulic braking system Calliper area. (1.1.12 (c) (ii)) DANGEROUS

Brake pedal feels spongy.

Engine oil leaks.

Oil leak at rear differential area.

Pass 23 Mar 2019 93,874 miles

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Pass 21 Apr 2018 93,310 miles

Nearside Front slight lift in trunion

Pass 15 Mar 2017 92,238 miles
Pass 3 Jun 2016 92,212 miles
Fail 3 Jun 2016 92,212 miles

Nearside Headlamp aim too low (1.8)

Pass 26 Jun 2014 92,030 miles

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

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

Oil leak

Fail 26 Jun 2014 92,030 miles

Hazard warning lamps inoperative (1.4.B.1b)

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

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

Oil leak

Pass 24 Jul 2013 91,777 miles
Pass 15 Mar 2012 91,226 miles
Fail 14 Mar 2012 91,225 miles

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

Pass 10 Mar 2011 89,500 miles

o/s/f wheel weights rubbing on track rod end

Fail 10 Mar 2011 89,499 miles

Brake pedal anti-slip provision missing (3.3.A.1b)

o/s/f wheel weights rubbing on track rod end

Pass 18 Jul 2009 88,909 miles

Offside Front Brake hose slightly deteriorated (3.6.B.4d)

Offside Rear rear brake grabbing slightly (3.7.A.5b)

underside coating split and cracked

Pass 25 Jul 2008 88,658 miles
Fail 4 Jun 2007 88,519 miles

Nearside Front position lamp(s) not working (1.1.A.3b)

Nearside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d)

Nearside Registration plate lamp not working (1.1.C.1d)

Rear Exhaust mounting missing (7.1.1b)

Pass 4 Jun 2007 88,519 miles
Pass 12 May 2006 88,199 miles
Fail 11 May 2006 88,199 miles

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

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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TAN 378S is a 1977 MG B in White with a 1,798cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 72%.

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 TAN 378S, 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 TAN 378S?

You can check the full history of TAN 378S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was TAN 378S registered?

TAN 378S is a 1977 MG B, first registered on 21 December 1977.

Is TAN 378S safe to buy?

The MOT history for TAN 378S shows 25 tests with a 72% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does TAN 378S 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 TAN 378S. 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.