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HPP 838K

1971 Triumph Stag

Red Petrol 2997cc
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MOT Status

Valid
Expires27 Jan 2027
Tests9 (6 pass, 3 fail)
Pass rate66.7%

Mileage

27,425 mi
Last recorded27,425 miles
Recorded on28 Jan 2026
Typical for 1971 Triumph Stag56,944 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

RegistrationHPP 838K
MakeTriumph
ModelStag
Year1971
ColourRed
Fuel typePetrol
Engine2,997cc

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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

6 pass 3 fail
Pass 28 Jan 2026 27,425 miles

Nearside Front Lower ball joint gator insecure

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

diff front oil seal leaking

Fail 20 Jan 2026 27,423 miles

Brake pedal anti-slip provision missing (1.1.2 (c))

Offside Front Brake locking device ineffective brake pads securing split pins not opened up (1.1.21 (f))

Offside Front Brakes imbalanced across an axle (1.2.1 (b) (i))

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

Windscreen washer not working (3.5 (a))

Nearside Front Service brake has no recorded effort at a wheel little effort (1.2.1 (a) (ii)) DANGEROUS

diff front oil seal leaking

Nearside Front Lower ball joint gator insecure

Nearside blade is insecure in arm

Offside Front Brake pad(s) wearing thin low and close to a failure (1.1.13 (a) (ii))

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

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

clutch slave cylinder leaking

front crossmember is slightly damaged and opened up

speedo drive in gearbox leaking

sump plug weeping oil

Pass 24 Oct 2017 25,283 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Pass 28 Oct 2016 24,371 miles
Fail 28 Oct 2016 24,371 miles

Offside Front Suspension component mounting prescribed area is inadequately repaired (2.4.A.3)

Pass 8 Jun 2016 24,325 miles
Pass 6 Jun 2015 24,175 miles
Fail 6 Jun 2014 23,986 miles

Nearside Headlamp aim too low (1.8)

Nearside Rear Tyre not fitted in accordance with side wall instructions (4.1.D.1f)

Offside Headlamp aim too low (1.8)

Offside Rear Tyre not fitted in accordance with side wall instructions (4.1.D.1f)

Pass 6 Jun 2014 23,986 miles

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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HPP 838K is a 1971 Triumph Stag in Red with a 2,997cc petrol engine. This vehicle has been through 9 MOT tests with a personal pass rate of 66.7%.

Across all 1971 Triumph Stag models, the average MOT pass rate is 77.2% with a typical mileage of 56,944 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 HPP 838K, 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 55 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 HPP 838K?

You can check the full history of HPP 838K by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was HPP 838K registered?

HPP 838K is a 1971 Triumph Stag, first registered on 1 August 1971.

Is HPP 838K safe to buy?

The MOT history for HPP 838K shows 9 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does HPP 838K 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 HPP 838K. 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.