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UNJ 397

1973 Triumph Stag Auto

Green Petrol 2997cc
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MOT Status

Valid
Expires20 Jan 2027
Tests11 (10 pass, 1 fail)
Pass rate90.9%

Mileage

73,937 mi
Last recorded73,937 miles
Recorded on8 Jan 2026
Typical for 1973 Triumph Stag Auto60,660 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

RegistrationUNJ 397
MakeTriumph
ModelStag Auto
Year1973
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

10 pass 1 fail
Pass 8 Jan 2026 73,937 miles
Pass 21 Jan 2025 73,247 miles
Pass 3 Dec 2021 69,334 miles

FRONT BRAKE PADS AT APPROX 5 MM...

SLIGHT PLAY IN STEERING COLUUM TOP BUSH...

Pass 4 Dec 2020 68,362 miles

FRONT BRAKE PADS AT APPROX 5 MM...

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Pass 19 Nov 2019 66,805 miles

FRONT BRAKE PADS AT APPROX 5 MM...

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Fail 8 Nov 2019 66,795 miles

Nearside Front Lower Suspension component mounting prescribed area excessively corroded significantly reducing structural strength CHAASIS LEG BY CONTROL ARM MOUNTING... (5.3.6 (a) (i))

FRONT BRAKE PADS AT APPROX 5 MM...

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Pass 16 Nov 2018 64,539 miles
Pass 10 Oct 2017 61,726 miles

Minor oil leak

Vehicle underside undersealed

Pass 11 Oct 2016 59,322 miles
Pass 4 Nov 2015 57,515 miles
Pass 28 Mar 2013 55,647 miles

Nearside Rear Subframe mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Offside Rear Subframe mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Play in steering rack inner joint(s)

heavy corrosion front lower panel

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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UNJ 397 is a 1973 Triumph Stag Auto in Green with a 2,997cc petrol engine. This vehicle has been through 11 MOT tests with a personal pass rate of 90.9%.

Across all 1973 Triumph Stag Auto models, the average MOT pass rate is 78.3% with a typical mileage of 60,660 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 UNJ 397, 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 53 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 UNJ 397?

You can check the full history of UNJ 397 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was UNJ 397 registered?

UNJ 397 is a 1973 Triumph Stag Auto, first registered on 3 February 1973.

Is UNJ 397 safe to buy?

The MOT history for UNJ 397 shows 11 tests with a 90.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does UNJ 397 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 UNJ 397. 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.