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CAA 158K

1971 MG B

Red Petrol 1800cc
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MOT Status

Valid
Expires17 Aug 2026
Tests20 (16 pass, 4 fail)
Pass rate80%

Mileage

40,352 mi
Last recorded40,352 miles
Recorded on18 Aug 2025
Typical for 1971 MG B35,468 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

RegistrationCAA 158K
MakeMG
ModelB
Year1971
ColourRed
Fuel typePetrol
Engine1,800cc

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 18 Aug 2025 40,352 miles
Pass 26 Jul 2024 39,235 miles
Pass 23 Jun 2023 37,590 miles
Pass 7 Jul 2022 36,844 miles

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Fail 24 Jun 2022 36,843 miles

Parking brake efficiency below requirements (1.4.2 (a) (i))

Windscreen washer not working (3.5 (a))

Handbrake cable is fouling on exhaust

Rear exhaust clamp is missing

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 22 Jul 2021 36,713 miles

Rear Leaf spring has slight wear in a shackle pin and/or bush all (5.3.4 (a) (i))

Registration plate deteriorated but not likely to be misread both (0.1 (b))

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 10 Jul 2018 36,677 miles

Front Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement king pin (5.3.4 (a) (i))

Nearside Front Upper Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Nearside Front Upper Suspension rod pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Front Suspension component pin or bush slightly worn (5.3.4 (a) (i))

Pass 15 Mar 2017 36,572 miles

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

Nearside Front suspension has slight play in a lower wishbone bearing king pin (2.5.B.1a)

wear in both lower wishbone bushes

Pass 23 Jun 2015 35,998 miles
Fail 22 Jun 2015 35,998 miles

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

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

Offside Headlamp not working on main beam (1.7.5a)

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

slight play both king pins

Fail 7 Apr 2014 35,065 miles

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

Nearside Front suspension has slight play in a lower wishbone bearing (2.5.B.1a)

Offside Headlamp not working on main beam (1.7.5a)

Pass 7 Apr 2014 35,065 miles

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

Nearside Front suspension has slight play in a lower wishbone bearing (2.5.B.1a)

Pass 10 Jul 2012 33,204 miles
Pass 18 Jun 2011 28,990 miles
Pass 5 Jul 2010 28,710 miles

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

Oil leak

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Fail 29 Jun 2010 28,707 miles

Offside Rear An item not tested (Manual)

Offside Rear Brake performance not tested (3.7.A.1)

Offside rear brake binding (3.7.B.1)

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

Oil leak

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Pass 8 Apr 2009 28,335 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

coolant leak?

corrosion evident on n/s outersill

imbalance on rear brakes(o/s lazyest)

number plates marked

oil leaks

play in o/s/f and n/s/f lower trunnions

scratches to o/s of screen

Pass 28 Mar 2008 28,174 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

imbalance on rear brakes(o/s lazyest)

movement in both front lower swivels/trunnions

oil leaks

scratches to screen(o/s)

Pass 20 Mar 2007 27,759 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

front and rear number plates marked

oil leaks

play in n/s/f upper and lower trunnions

rear leaf springs bushes cracking

scratches to screen

water pump leaking

Pass 24 Mar 2006 26,996 miles

clutch looses hydraulic pressure -have to pump pedel to get clutch back

front and rear number plates marked

oil leaks

rear leaf springs bushes cracking

scratches and stonechip in screen

slight lift in n/s/f lower trunnion

wipers starting to smear

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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CAA 158K is a 1971 MG B in Red with a 1,800cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 80%.

Across all 1971 MG B models, the average MOT pass rate is 79.3% with a typical mileage of 35,468 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 CAA 158K, 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 55 years old, this MG B is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of CAA 158K?

You can check the full history of CAA 158K by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CAA 158K registered?

CAA 158K is a 1971 MG B, first registered on 9 August 1971.

Is CAA 158K safe to buy?

The MOT history for CAA 158K 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 CAA 158K 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 CAA 158K. 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.