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HIA 7917

1979 Triumph Stag

Red Petrol 3000cc
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MOT Status

Valid
Expires24 Jun 2027
Tests6 (4 pass, 2 fail)
Pass rate66.7%

Mileage

1,091 mi
Last recorded1,091 miles
Recorded on11 Jun 2026
Typical for 1979 Triumph Stag39,638 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

RegistrationHIA 7917
MakeTriumph
ModelStag
Year1979
ColourRed
Fuel typePetrol
Engine3,000cc

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

4 pass 2 fail
Pass 11 Jun 2026 1,091 miles

Offside Front has corrosion

Pass 25 Jun 2025 600 miles

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Front inner wing corroded at front

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Pass 26 Jul 2024 160 miles
Fail 24 Jun 2024 160 miles

Nearside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i))

Nearside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i))

Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i))

Central exhaust rubbers worn

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Wheel bearing slightly noisy (5.1.3 (b) (i))

exhaust mounting on gear box bolt missing

rear seat belt not tested cove over them

slight noise from rear shock absorber

Pass 11 Jul 2023 1,300 miles

direction indicators flash rate faster than hazards

Nearside Front Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Nearside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

Offside Front Coil spring corroded (5.3.1 (b) (i))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

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

Fail 27 Jun 2023 1,300 miles

Offside Front Seat belt not functioning as intended (7.1.2 (c))

Offside Rear Fuel cap/sealing device ineffective (6.1.3 (b) (i))

Offside Rear Seat belt not functioning as intended (7.1.2 (c))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Nearside Front Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Nearside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

Offside Front Coil spring corroded (5.3.1 (b) (i))

Offside Front Seat belt webbing slightly damaged or frayed badly frayed (7.1.2 (b) (ii))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

Offside Rear brake binding slightly

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

direction indicators flash rate faster than hazards

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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HIA 7917 is a 1979 Triumph Stag in Red with a 3,000cc petrol engine. This vehicle has been through 6 MOT tests with a personal pass rate of 66.7%.

Across all 1979 Triumph Stag models, the average MOT pass rate is 81.3% with a typical mileage of 39,638 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 HIA 7917, 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 47 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 HIA 7917?

You can check the full history of HIA 7917 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was HIA 7917 registered?

HIA 7917 is a 1979 Triumph Stag, first registered on 28 February 1979.

Is HIA 7917 safe to buy?

The MOT history for HIA 7917 shows 6 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 HIA 7917 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 HIA 7917. 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.