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PDK 690S

1977 Triumph Stag Auto

Blue Petrol 2997cc
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MOT Status

Valid
Expires19 Aug 2026
Tests14 (9 pass, 5 fail)
Pass rate64.3%

Mileage

52,745 mi
Last recorded52,745 miles
Recorded on5 Aug 2025
Typical for 1977 Triumph Stag Auto60,392 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

RegistrationPDK 690S
MakeTriumph
ModelStag Auto
Year1977
ColourBlue
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

9 pass 5 fail
Pass 5 Aug 2025 52,745 miles
Fail 4 Aug 2025 52,745 miles

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

Pass 20 Aug 2024 52,513 miles

Offside Rear Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Fail 5 Aug 2024 52,461 miles

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Offside Rear driveshaft boot split

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

Pass 20 Jul 2023 52,187 miles
Fail 14 Jul 2023 52,173 miles

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

Pass 11 Aug 2022 51,883 miles
Pass 2 Aug 2021 51,049 miles
Fail 2 Aug 2021 51,045 miles

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

Fail 14 Jun 2021 50,887 miles

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

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Pass 16 Sep 2013 47,386 miles
Pass 5 Jul 2011 47,320 miles
Pass 21 Apr 2009 46,816 miles
Pass 3 Aug 2006 46,780 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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PDK 690S is a 1977 Triumph Stag Auto in Blue with a 2,997cc petrol engine. This vehicle has been through 14 MOT tests with a personal pass rate of 64.3%.

Across all 1977 Triumph Stag Auto models, the average MOT pass rate is 76.9% with a typical mileage of 60,392 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 PDK 690S, 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 49 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 PDK 690S?

You can check the full history of PDK 690S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was PDK 690S registered?

PDK 690S is a 1977 Triumph Stag Auto, first registered on 1 August 1977.

Is PDK 690S safe to buy?

The MOT history for PDK 690S shows 14 tests with a 64.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does PDK 690S 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 PDK 690S. 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.