CarVerify

Free Car Check

MMJ 817P

1975 Triumph Stag

Black Petrol 2997cc
Search another vehicle

MOT Status

Valid
Expires14 May 2027
Tests24 (14 pass, 10 fail)
Pass rate58.3%

Mileage

23,912 mi
Last recorded23,912 miles
Recorded on15 May 2026
Typical for 1975 Triumph Stag54,677 mi

Below or average mileage for this year

4 checks still locked for this Triumph
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationMMJ 817P
MakeTriumph
ModelStag
Year1975
ColourBlack
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

14 pass 10 fail
Pass 15 May 2026 23,912 miles
Fail 4 Aug 2023 23,240 miles

Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

Pass 14 Apr 2022 23,098 miles

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

Power steering pipe/hose has slight seepage (2.1.5 (a))

Fail 14 Apr 2022 23,084 miles

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c))

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

Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))

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

Power steering pipe/hose has slight seepage (2.1.5 (a))

Pass 30 Jul 2018 21,971 miles
Pass 10 Apr 2017 21,136 miles
Fail 10 Apr 2017 21,136 miles

Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Pass 7 Apr 2016 20,567 miles
Fail 4 Apr 2016 20,555 miles

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

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

Offside rear brake excessively fluctuating (3.7.B.3)

Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b)

Pass 13 Mar 2015 20,304 miles
Fail 4 Mar 2015 20,271 miles

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

Steering system has excessive free play detected at the steering wheel (steering rack fitted) (2.2.A.1b)

Pass 27 Jan 2014 18,977 miles

Free play in steering rack pinion with engine not running

Low reading on O/S hand brake

Nearside Front Seat belt stitching slightly frayed (5.2.2b)

O/S inner headlamp low

Steering system has slight free play detected at steering wheel (2.2.A.1b)

Fail 20 Jan 2014 18,977 miles

Offside Front Seat belt damaged sufficient to significantly weakened the webbing (5.2.2a)

Free play in steering rack pinion with engine not running

Low reading on O/S hand brake

Nearside Front Seat belt stitching slightly frayed (5.2.2b)

O/S inner headlamp low

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Steering system has slight free play detected at steering wheel (2.2.A.1b)

Pass 10 Jan 2013 16,903 miles

4 dip headlamp system fitted at tim of test

O/S/F seat belt frayed but not affecting operation or strength

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Slight bind on N/S/R brake

Slight play in steering rack

Pass 9 Jan 2012 15,297 miles
Pass 14 Jan 2011 6,694 miles
Fail 5 Jan 2011 6,550 miles

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

Steering rack insecure (2.2.B.1a)

Pass 20 Jan 2010 98,106 miles

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

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

Fail 12 Jan 2010 97,939 miles

Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

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

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Front Tyre worn close to the legal limit (4.1.E.1)

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

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 17 Jan 2009 86,282 miles

Exhaust has part of the system slightly deteriorated (7.1.1a)

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

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

Oil leak

Fail 12 Jan 2009 86,262 miles

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

Nearside Headlamp aim too high (1.8)

Nearside Inner Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Offside Headlamp not in good working order adversely affecting beam image (1.2.4a)

Exhaust has part of the system slightly deteriorated (7.1.1a)

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

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

Oil leak

Pass 14 Jan 2008 77,859 miles
Pass 10 Feb 2006 77,549 miles

Nearside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

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

Offside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

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

Fail 31 Jan 2006 77,549 miles

Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f)

Nearside Headlamp aim too low when the centre of the headlamp is below 850mm from the ground (1.6.C3)

Nearside Stop lamp not working (1.2.1b)

Offside Headlamp aim too low when the centre of the headlamp is below 850mm from the ground (1.6.C3)

Offside Rear rear brake binding (3.7.B.1)

Nearside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

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

Offside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

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

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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

MMJ 817P is a 1975 Triumph Stag in Black with a 2,997cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 58.3%.

Across all 1975 Triumph Stag models, the average MOT pass rate is 76.4% with a typical mileage of 54,677 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 MMJ 817P, 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 51 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 MMJ 817P?

You can check the full history of MMJ 817P by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was MMJ 817P registered?

MMJ 817P is a 1975 Triumph Stag, first registered on 9 December 1975.

Is MMJ 817P safe to buy?

The MOT history for MMJ 817P shows 24 tests with a 58.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does MMJ 817P 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 MMJ 817P. 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.