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UOC 959S

1978 Triumph Stag Auto

Green Petrol 2997cc
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MOT Status

Valid
Expires25 Apr 2027
Tests22 (21 pass, 1 fail)
Pass rate95.5%

Mileage

67,631 mi
Last recorded67,631 miles
Recorded on20 Apr 2026
Typical for 1978 Triumph Stag Auto56,939 mi

Above average mileage for this year

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

RegistrationUOC 959S
MakeTriumph
ModelStag Auto
Year1978
ColourGreen
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

21 pass 1 fail
Pass 20 Apr 2026 67,631 miles

vehicle in nice condition

Pass 16 Apr 2025 67,342 miles

vehicle in nice condition

Pass 18 Apr 2024 66,996 miles

vehicle in nice condition

Pass 13 Apr 2023 285 miles
Pass 26 Apr 2022 66,778 miles

vehicle very nice condition

Pass 30 Mar 2021 66,598 miles

vehicle in nice condition

Pass 22 Apr 2020 66,347 miles
Pass 15 May 2019 65,820 miles

vehicle in very nice condition

Pass 16 May 2018 65,298 miles

vehicle in nice condition

Pass 23 May 2017 64,096 miles
Pass 14 Sep 2016 64,040 miles
Pass 11 Sep 2015 63,974 miles
Pass 12 Sep 2014 63,911 miles
Pass 10 Sep 2013 63,877 miles

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

play in o/s/r drive shaft

Pass 5 Sep 2012 63,832 miles

play in o/s/r drive shaft

Pass 15 Sep 2011 63,792 miles

play on steering wheel

Fail 7 Sep 2011 63,779 miles

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

Windscreen washer provides insufficient washer liquid (8.2.3)

play on steering wheel

Pass 17 Aug 2010 63,450 miles

Offside Front wheel bearing has slight play (2.5.A.3c)

Pass 24 Jul 2009 83,405 miles

knocking noise from o/s/r

Pass 30 Jul 2008 63,329 miles
Pass 16 Jul 2007 63,282 miles

p/s leak o/s/f

slight water leak o/s/f

Pass 17 Jul 2006 63,016 miles

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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UOC 959S is a 1978 Triumph Stag Auto in Green with a 2,997cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 95.5%.

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 UOC 959S, 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 UOC 959S?

You can check the full history of UOC 959S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was UOC 959S registered?

UOC 959S is a 1978 Triumph Stag Auto, first registered on 7 March 1978.

Is UOC 959S safe to buy?

The MOT history for UOC 959S shows 22 tests with a 95.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does UOC 959S 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 UOC 959S. 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.