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HED 333N

1975 Triumph Stag Auto

Purple Petrol 2997cc
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MOT Status

Expired
Expires24 Apr 2026
Tests11 (9 pass, 2 fail)
Pass rate81.8%

Mileage

83,085 mi
Last recorded83,085 miles
Recorded on31 Mar 2025
Typical for 1975 Triumph Stag Auto61,536 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

RegistrationHED 333N
MakeTriumph
ModelStag Auto
Year1975
ColourPurple
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

9 pass 2 fail
Pass 31 Mar 2025 83,085 miles

Brake pipe corroded, covered in grease or other material (1.1.11 (c))

N/S and O/S Sills have been welded and covered

Offside Front Minor play inner rack joint

Radiator support corroded

Pass 24 Apr 2024 80,477 miles

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

Front Wheel bearing has slight play nearside and offside (5.1.3 (a) (i))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Rear Coil spring corroded nearside and offside (5.3.1 (b) (i))

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

Rear Vehicle structure is corroded but structural rigidity is not significantly reduced nearside and offside sills corroded has signs of repairs been undersealed (6.1.1 (c) (i))

Rear fuel hose perished

Vehicle structure is corroded but structural rigidity is not significantly reduced genral corrosion to rear of chassis and front radiator support/bumper (6.1.1 (c) (i))

hand brake leaver high little reserve travel left

Pass 20 Apr 2023 87,450 miles

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

Front Wheel bearing has slight play nearside and offside (5.1.3 (a) (i))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Vehicle structure is corroded but structural rigidity is not significantly reduced chassis rail/floor pan (6.1.1 (c) (i))

Rear Coil spring corroded nearside and offside (5.3.1 (b) (i))

Rear Oil leak, but not excessive diff oil leak (8.4.1 (a) (i))

Vehicle structure is corroded but structural rigidity is not significantly reduced nearside and offside sills corroded has signs of repairs been undersealed (6.1.1 (c) (i))

hand break leaver high little reserve travel left

Pass 25 Apr 2022 81,571 miles

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

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

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

Rear Coil spring corroded nearside and offside (5.3.1 (b) (i))

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

general corrosion to chassis has signs of repair been undersealed etc

Pass 1 Jun 2009 80,928 miles
Pass 28 Apr 2008 79,696 miles
Pass 23 Apr 2007 79,685 miles
Fail 20 Apr 2007 79,683 miles

Nearside Front position lamp(s) not working (1.1.A.3b)

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

Parking brake lever has no reserve travel (3.1.6b)

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

Pass 30 Jun 2006 79,481 miles
Pass 4 Jul 2005 79,361 miles
Fail 1 Jul 2005 79,354 miles

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

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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HED 333N is a 1975 Triumph Stag Auto in Purple with a 2,997cc petrol engine. This vehicle has been through 11 MOT tests with a personal pass rate of 81.8%.

Across all 1975 Triumph Stag Auto models, the average MOT pass rate is 76.7% with a typical mileage of 61,536 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 HED 333N, 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 51 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 HED 333N?

You can check the full history of HED 333N by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was HED 333N registered?

HED 333N is a 1975 Triumph Stag Auto, first registered on 2 April 1975.

Is HED 333N safe to buy?

The MOT history for HED 333N shows 11 tests with a 81.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does HED 333N 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 HED 333N. 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.