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RUN 385S

1978 Triumph Stag Auto

Brown Petrol 2997cc
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MOT Status

Valid
Expires4 Nov 2026
Tests21 (17 pass, 4 fail)
Pass rate81%

Mileage

37,170 mi
Last recorded37,170 miles
Recorded on5 Nov 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

RegistrationRUN 385S
MakeTriumph
ModelStag Auto
Year1978
ColourBrown
Fuel typePetrol
Engine2,997cc

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

17 pass 4 fail
Pass 5 Nov 2025 37,170 miles

Wheel bearing has slight play BOTH FRONT (5.1.3 (a) (i))

Fail 5 Nov 2025 37,170 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

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

Wheel bearing has slight play BOTH FRONT (5.1.3 (a) (i))

Pass 26 May 2022 32,438 miles
Pass 12 Aug 2020 31,845 miles

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

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

Pass 13 Aug 2019 31,410 miles

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

Pass 16 Aug 2018 30,617 miles
Fail 10 Aug 2018 30,600 miles

Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Slight oil leak.

Pass 15 Aug 2017 29,863 miles

Nearside Lower Front suspension ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Nearside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Offside Lower Front suspension ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Offside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Oil leak ()

Fail 15 Aug 2017 29,863 miles

Nearside Lower Front suspension ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Nearside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Offside Lower Front suspension ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Offside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Oil leak ()

Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 18 Aug 2016 29,205 miles

Offside Front Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Pass 17 Aug 2015 28,777 miles

Nearside Front Suspension arm ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Offside Front Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Pass 19 Aug 2014 28,170 miles

Nearside Front suspension ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Offside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Pass 16 Aug 2013 27,851 miles

Oil leak

Pass 15 Aug 2012 27,070 miles

Oil leak

Pass 9 Aug 2011 26,620 miles
Pass 10 Aug 2010 26,197 miles
Pass 13 Aug 2009 25,124 miles
Pass 15 Aug 2008 24,434 miles
Fail 15 Aug 2008 24,434 miles

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

Pass 18 Aug 2007 24,424 miles
Pass 13 May 2006 24,289 miles

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

rear exhaust rubbers perishing

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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RUN 385S is a 1978 Triumph Stag Auto in Brown with a 2,997cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 81%.

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 performed better than the average for its year.

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 RUN 385S, 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 RUN 385S?

You can check the full history of RUN 385S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was RUN 385S registered?

RUN 385S is a 1978 Triumph Stag Auto, first registered on 3 March 1978.

Is RUN 385S safe to buy?

The MOT history for RUN 385S shows 21 tests with a 81% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does RUN 385S 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 RUN 385S. 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.