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BRL 40

1978 Triumph Stag Auto

Yellow Petrol 2997cc
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MOT Status

Expired
Expires27 May 2026
Tests12 (8 pass, 4 fail)
Pass rate66.7%

Mileage

40,787 mi
Last recorded40,787 miles
Recorded on28 May 2025
Typical for 1978 Triumph Stag Auto56,939 mi

Below or average mileage for this year

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

RegistrationBRL 40
MakeTriumph
ModelStag Auto
Year1978
ColourYellow
Fuel typePetrol
Engine2,997cc

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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

8 pass 4 fail
Pass 28 May 2025 40,787 miles
Pass 21 May 2024 39,955 miles
Pass 29 Jul 2021 39,867 miles
Fail 22 Jul 2021 39,863 miles

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Service brake efficiency below requirements (1.2.2 (a) (i))

Pass 24 Jul 2014 39,817 miles
Pass 18 Mar 2011 39,589 miles
Fail 16 Mar 2011 39,589 miles

Rear Exhaust system not adequately supported (7.1.1)

dampness around nearside steering rack gaiter

general engine gearbox oil leaks

Pass 6 Oct 2008 39,483 miles

Coolant leak

Nearside Front brake disc slightly pitted (3.5.1h)

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Nearside Side repeater slightly discoloured (1.4.A.2f)

Offside Front brake disc slightly pitted (3.5.1h)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Oil leak

front brake pads 50% worn

nearside and offside front outer sills/wings lightly corroded

nearside door damaged(dented around handle)

oil leak around rear differential

Pass 17 Oct 2007 39,385 miles

Oil leak

diff leaking

nearside door damaged(dented)

Coolant leak

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Nearside Rear brake drum worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Rear brake drum worn, pitted or scored, but not seriously weakened (3.5.1i)

nearside front indicator lens cracked

nearside wing repeater bulb low light output

Fail 17 Oct 2007 39,385 miles

Coolant leak

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Nearside Headlamp aim too high (1.8)

Nearside Rear brake drum worn, pitted or scored, but not seriously weakened (3.5.1i)

Nearside Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Headlamp aim too high (1.8)

Offside Rear brake drum worn, pitted or scored, but not seriously weakened (3.5.1i)

Oil leak

Rear Fuel pipe leaking (7.2.3)

diff leaking

nearside door damaged(dented)

nearside front indicator lens cracked

nearside wing repeater bulb low light output

Pass 3 Oct 2006 39,196 miles
Fail 25 Sep 2006 39,167 miles

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

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

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

How Reliable is the Triumph Stag Auto?

Based on 21,225 MOT tests across 2,079 vehicles.

76.9%
Pass Rate
397
Miles/Year
55
Year Lifespan
2,079
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 740
Parking brake: efficiency below requirements 550
Suspension component mounting prescribed area is excessively corroded 491
brake binding 442
Exhaust emissions carbon monoxide content excessive 440
Full Triumph Stag Auto reliability report

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BRL 40 is a 1978 Triumph Stag Auto in Yellow with a 2,997cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 66.7%.

Across all 1978 Triumph Stag Auto models, the average MOT pass rate is 76.2% with a typical mileage of 56,939 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 Triumph Stag Auto fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 740 recorded failures. If you're considering buying BRL 40, it's worth having these areas checked by a mechanic before committing.

The Triumph Stag Auto typically stays on UK roads for around 55 years. At 48 years old, this Triumph Stag Auto is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of BRL 40?

You can check the full history of BRL 40 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was BRL 40 registered?

BRL 40 is a 1978 Triumph Stag Auto, first registered on 16 March 1978.

Is BRL 40 safe to buy?

The MOT history for BRL 40 shows 12 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does BRL 40 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 BRL 40. 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.