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KML 931P

1976 Triumph Stag Auto

Blue Petrol 2997cc
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MOT Status

Valid
Expires14 Sep 2026
Tests19 (11 pass, 8 fail)
Pass rate57.9%

Mileage

42,726 mi
Last recorded42,726 miles
Recorded on15 Sep 2025
Typical for 1976 Triumph Stag Auto62,979 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

RegistrationKML 931P
MakeTriumph
ModelStag Auto
Year1976
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

11 pass 8 fail
Pass 15 Sep 2025 42,726 miles
Pass 11 May 2022 37,002 miles

under body sealer

Fail 10 May 2022 37,002 miles

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

Offside Rear Position lamp not working (4.2.1 (a) (ii))

under body sealer

Pass 11 Jun 2021 36,178 miles
Pass 23 Mar 2016 35,176 miles

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Oil leak

Underside corroded and has had various welding

Fail 23 Mar 2016 35,176 miles

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Nearside Stop lamp not working (1.2.1b)

Oil leak

Underside corroded and has had various welding

Pass 20 Mar 2015 33,947 miles

underneath of vehicle heavily covered with underseal making inspection difficult

Fail 10 Mar 2015 33,864 miles

Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside Headlamp aim too high (1.8)

Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

underneath of vehicle heavily covered with underseal making inspection difficult

Pass 18 Mar 2014 22,971 miles
Pass 16 May 2013 21,776 miles

Nearside Front Anti-roll bar has slight play in a pin/bush (2.4.G.2)

Nearside Front Steering rack gaiter deteriorated (2.2.D.2d)

Offside Front Anti-roll bar has slight play in a pin/bush (2.4.G.2)

Offside Front Steering rack gaiter deteriorated (2.2.D.2d)

Pass 19 Jul 2012 20,862 miles
Pass 13 Apr 2011 20,820 miles

Sub-frame attachment rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Fail 29 Mar 2011 20,820 miles

All position lamps not working (1.1.A.3b)

Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

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

Brake servo leaking (3.6.C.1c)

Headlamp not working on dipped beam (1.7.5a)

Headlamp not working on main beam (1.7.5a)

Horn not working (1.6.2a)

Offside Obligatory mirror missing (8.1.1)

Rear Exhaust system not adequately supported (7.1.1)

Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Stop lamp not working (1.2.1b)

Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Sub-frame attachment rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 2 Jul 2008 20,725 miles
Fail 19 Jun 2008 20,722 miles

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

Front passenger door does not latch securely closed (6.2.B.1a)

Nearside Steering rack gaiter split (2.2.D.2d)

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside rear brake recording little or no effort (3.7.B.5a)

Position lamp switch faulty (1.1.A.1)

Stop lamp not working (1.2.1b)

Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 12 Jun 2007 20,706 miles
Fail 6 Jun 2007 20,703 miles

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Seat belt retracting mechanism defective (5.2.5b)

Offside Headlamp not working on dipped beam (1.7.5a)

Offside Seat belt retracting mechanism defective (5.2.5b)

Fail 4 May 2007 20,696 miles

Offside Headlamp aim too low (1.8)

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Fail 20 Apr 2007 20,687 miles

Brake performance not tested (3.7.A.1)

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

Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Nearside rear brake binding (3.7.B.1)

Offside Front Headlamp aim too low (1.8)

Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

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

Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

Oil leak

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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KML 931P is a 1976 Triumph Stag Auto in Blue with a 2,997cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 57.9%.

Across all 1976 Triumph Stag Auto models, the average MOT pass rate is 75.5% with a typical mileage of 62,979 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 KML 931P, 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 50 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 KML 931P?

You can check the full history of KML 931P by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KML 931P registered?

KML 931P is a 1976 Triumph Stag Auto, first registered on 1 January 1976.

Is KML 931P safe to buy?

The MOT history for KML 931P shows 19 tests with a 57.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KML 931P 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 KML 931P. 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.