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OST 916S

1977 Triumph Stag

Green Petrol 2997cc
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MOT Status

Valid
Expires12 Apr 2027
Tests4 (4 pass, 0 fail)
Pass rate100%

Mileage

30,568 mi
Last recorded30,568 miles
Recorded on13 Apr 2026
Typical for 1977 Triumph Stag60,708 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

RegistrationOST 916S
MakeTriumph
ModelStag
Year1977
ColourGreen
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

4 pass
Pass 13 Apr 2026 30,568 miles
Pass 18 Feb 2025 29,516 miles
Pass 29 Jul 2009 29,210 miles

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

Oil leak

Steering column top bearing slightly worn (2.1.2c)

Steering system has slight free play detected at steering wheel (2.2.A.1b)

Pass 10 Jun 2006 26,991 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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OST 916S is a 1977 Triumph Stag in Green with a 2,997cc petrol engine. This vehicle has been through 4 MOT tests with a personal pass rate of 100%.

Across all 1977 Triumph Stag models, the average MOT pass rate is 77.7% with a typical mileage of 60,708 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 OST 916S, 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 49 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 OST 916S?

You can check the full history of OST 916S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was OST 916S registered?

OST 916S is a 1977 Triumph Stag, first registered on 5 October 1977.

Is OST 916S safe to buy?

The MOT history for OST 916S shows 4 tests with a 100% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does OST 916S 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 OST 916S. 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.