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AGF 636S

1978 Triumph Stag

Maroon Petrol 2997cc
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MOT Status

Valid
Expires15 Jun 2027
Tests20 (19 pass, 1 fail)
Pass rate95%

Mileage

34,273 mi
Last recorded34,273 miles
Recorded on16 Jun 2026
Typical for 1978 Triumph Stag62,190 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

RegistrationAGF 636S
MakeTriumph
ModelStag
Year1978
ColourMaroon
Fuel typePetrol
Engine2,997cc

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MOT History

19 pass 1 fail
Pass 16 Jun 2026 34,273 miles
Pass 16 Apr 2025 32,486 miles

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Pass 18 Apr 2024 30,850 miles

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Pass 2 May 2023 29,622 miles
Pass 9 May 2022 29,251 miles
Pass 23 Jul 2019 25,663 miles
Pass 31 Jul 2018 24,757 miles
Pass 24 Jul 2017 23,733 miles

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

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

Pass 19 Jul 2016 22,614 miles

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

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

Pass 20 Jul 2015 21,951 miles
Pass 4 Aug 2014 21,104 miles
Pass 8 Aug 2013 20,104 miles

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

Pass 2 Aug 2012 19,037 miles
Pass 11 Aug 2011 18,006 miles
Pass 27 Jul 2010 17,017 miles
Pass 29 Jul 2009 15,812 miles
Pass 22 Jul 2008 14,908 miles
Pass 26 Jul 2007 13,307 miles
Fail 26 Jul 2007 13,307 miles

Nearside Headlamp not working on dipped beam (1.7.5a)

Pass 26 Jul 2006 11,492 miles

How Reliable is the Triumph Stag?

Based on 64,590 MOT tests across 6,070 vehicles.

77.5%
Pass Rate
417
Miles/Year
56
Year Lifespan
6,070
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 2,039
Parking brake: efficiency below requirements 1,744
Suspension component mounting prescribed area is excessively corroded 1,507
Stop lamp not working 1,283
brake binding 1,269
Full Triumph Stag reliability report

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AGF 636S is a 1978 Triumph Stag in Maroon with a 2,997cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 95%.

Across all 1978 Triumph Stag models, the average MOT pass rate is 75.5% with a typical mileage of 62,190 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Stag fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 2,039 recorded failures. If you're considering buying AGF 636S, it's worth having these areas checked by a mechanic before committing.

The Triumph Stag typically stays on UK roads for around 56 years. At 48 years old, this Triumph Stag is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of AGF 636S?

You can check the full history of AGF 636S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was AGF 636S registered?

AGF 636S is a 1978 Triumph Stag, first registered on 13 January 1978.

Is AGF 636S safe to buy?

The MOT history for AGF 636S shows 20 tests with a 95% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does AGF 636S 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 AGF 636S. 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.