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PTF 731M

1973 Triumph Stag

White Petrol 2297cc
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MOT Status

Valid
Expires27 Oct 2026
Tests20 (13 pass, 7 fail)
Pass rate65%

Mileage

47,669 mi
Last recorded47,669 miles
Recorded on14 Oct 2025
Typical for 1973 Triumph Stag53,671 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

RegistrationPTF 731M
MakeTriumph
ModelStag
Year1973
ColourWhite
Fuel typePetrol
Engine2,297cc

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

13 pass 7 fail
Pass 14 Oct 2025 47,669 miles

Exhaust has a minor leak of exhaust gases rear joints (6.1.2 (a))

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Steering column universal joint has slight wear or play (2.2.2 (c))

Steering rack has slight free play detected at steering wheel (2.3 (a) (i))

all floors / sills / chassis corroded

whole underside car undersealed

Pass 28 Oct 2024 47,385 miles

Car is undercoating so could not be assessed the corrosion properly at the time of test

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Front Inner Track rod end ball joint has slight play inner joint (2.1.3 (b) (i))

Offside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

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

Pass 15 Sep 2023 47,302 miles

rear exhaust rubbers split but exhaust secure

top steering bush by steering wheel has movement

Fail 15 Sep 2023 47,302 miles

Nearside Rear Direction indicator not working (4.4.1 (a) (ii))

Offside Rear Direction indicator not working (4.4.1 (a) (ii))

Offside Stop lamp(s) not working (4.3.1 (a) (ii))

rear exhaust rubbers split but exhaust secure

top steering bush by steering wheel has movement

Pass 28 Jul 2022 47,239 miles

Offside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Rear Exhaust mounting defective (6.1.2 (a))

both rear driveshaft dust covers split. Not constant velocity joints.

play felt at steering wheel

Pass 13 Jul 2021 47,081 miles
Pass 21 Jul 2020 47,070 miles
Pass 27 Jul 2019 46,754 miles
Pass 29 Jul 2018 46,687 miles
Fail 22 Jul 2018 46,662 miles

Nearside Front Brake valve leaking (1.1.7 (d) (i))

Offside Windscreen washer not working (3.5 (a))

Rear Brakes imbalanced across an axle (1.2.1 (b) (i))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Nearside Front Brake hose connection leaking on a hydraulic braking system (1.1.12 (c) (ii)) DANGEROUS

Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) DANGEROUS

Pass 14 Jul 2017 46,212 miles

rear brake fluctuating, but not excessively (3.7.B.3)

Fail 1 Jul 2017 46,203 miles

Nearside Front Seat belt retracting mechanism defective (5.2.5b)

Nearside Stop lamp remains on when the brakes are released (1.2.1e)

Offside Front Seat belt retracting mechanism defective (5.2.5b)

Offside Stop lamp remains on when the brakes are released (1.2.1e)

rear brake excessively fluctuating (3.7.B.3)

Pass 4 Jul 2016 46,061 miles

Offside Rear Lower Body has slight corrosion valance (6.1.B.2)

slight play in steering cause not found during test

Fail 4 Jul 2016 46,061 miles

Nearside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings chassis/box section (6.1.B.2)

Offside Front Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings arch (6.1.B.2)

Offside Rear Lower Body has slight corrosion valance (6.1.B.2)

slight play in steering cause not found during test

Pass 14 Jul 2015 45,151 miles
Fail 8 Jul 2015 45,150 miles

Front Tyre(s) incorrect because different size tyres are fitted on the same axle. (4.1.A.1a)

Offside Front Headlamp not working on dipped beam (1.7.5a)

Steering wheel locking device insecure (2.1.6)

Pass 22 Dec 2008 45,044 miles
Fail 22 Dec 2008 45,044 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Pass 13 Apr 2006 42,000 miles
Fail 5 Apr 2006 42,000 miles

Nearside Rear Stop lamp not working (1.2.1b)

Steering column movement between the shaft and steering wheel (2.1.2b)

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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PTF 731M is a 1973 Triumph Stag in White with a 2,297cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 65%.

Across all 1973 Triumph Stag models, the average MOT pass rate is 77.9% with a typical mileage of 53,671 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 fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 2,039 recorded failures. If you're considering buying PTF 731M, 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 53 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 PTF 731M?

You can check the full history of PTF 731M by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was PTF 731M registered?

PTF 731M is a 1973 Triumph Stag, first registered on 18 October 1973.

Is PTF 731M safe to buy?

The MOT history for PTF 731M shows 20 tests with a 65% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does PTF 731M 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 PTF 731M. 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.