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PSJ 503R

1977 Triumph Stag

Blue Petrol 2997cc
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MOT Status

Valid
Expires12 May 2027
Tests20 (15 pass, 5 fail)
Pass rate75%

Mileage

99,993 mi
Last recorded99,993 miles
Recorded on13 May 2026
Typical for 1977 Triumph Stag60,708 mi

Significantly above average — investigate

4 checks still locked for this Triumph
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Finance
Write-off
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Vehicle Details

RegistrationPSJ 503R
MakeTriumph
ModelStag
Year1977
ColourBlue
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

15 pass 5 fail
Pass 13 May 2026 99,993 miles
Pass 6 May 2025 99,766 miles

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

Nearside Exhaust has a minor leak of exhaust gases rearmost centre sleeve joint (6.1.2 (a))

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Play in steering rack inner joint(s)

Oil leak, but not excessive various minor oil leaks (8.4.1 (a) (i))

Fail 6 May 2025 99,766 miles

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

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

Nearside Exhaust has a minor leak of exhaust gases rearmost centre sleeve joint (6.1.2 (a))

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Play in steering rack inner joint(s)

Oil leak, but not excessive various minor oil leaks (8.4.1 (a) (i))

Pass 2 May 2024 99,452 miles

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

Pass 4 May 2023 98,838 miles
Pass 11 May 2022 97,274 miles
Fail 10 May 2022 97,273 miles

Nearside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt insecure (6.1.7 (g) (ii))

Steering wheel has movement relative to the column indicating looseness (2.2.1 (a) (i))

Offside Play in steering rack inner joint(s)

Pass 8 Sep 2021 96,812 miles
Pass 1 Sep 2017 96,518 miles
Pass 30 Jun 2015 96,343 miles

Parking brake lever has little reserve travel (3.1.6b)

Fail 29 Jun 2015 96,340 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Nearside Rear Direction indicator not working (1.4.A.2c)

Nearside Rear Registration plate lamp not working (1.1.C.1d)

Parking brake lever has little reserve travel (3.1.6b)

Pass 12 Apr 2014 96,147 miles
Pass 2 May 2013 95,994 miles
Pass 4 May 2012 95,713 miles
Pass 7 May 2011 95,351 miles
Pass 9 May 2009 94,907 miles
Pass 10 May 2008 94,272 miles

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

Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Front suspension has slight play in a lower suspension ball joint (2.5.B.1a)

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

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 19 May 2007 93,345 miles
Fail 19 May 2007 93,341 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Fail 12 May 2007 93,332 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Nearside Front Headlamp aim too low (1.8)

Offside Front Headlamp aim too low (1.8)

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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PSJ 503R is a 1977 Triumph Stag in Blue with a 2,997cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 75%.

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 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 PSJ 503R, 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 PSJ 503R?

You can check the full history of PSJ 503R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was PSJ 503R registered?

PSJ 503R is a 1977 Triumph Stag, first registered on 1 March 1977.

Is PSJ 503R safe to buy?

The MOT history for PSJ 503R shows 20 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does PSJ 503R 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 PSJ 503R. 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.