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ULO 677R

1977 Triumph Stag

Green Petrol 2997cc
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MOT Status

Valid
Expires1 Jul 2027
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

15,795 mi
Last recorded15,795 miles
Recorded on2 Jul 2026
Typical for 1977 Triumph Stag60,708 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

RegistrationULO 677R
MakeTriumph
ModelStag
Year1977
ColourGreen
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

15 pass 7 fail
Pass 2 Jul 2026 15,795 miles

Nearside Front Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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

Fail 26 Jun 2026 15,791 miles

Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))

Windscreen washer not working (3.5 (a))

Nearside Front Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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

Pass 23 May 2025 14,304 miles

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

Fail 19 May 2025 14,281 miles

Nearside Rear Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

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

Pass 14 May 2024 12,906 miles

Nearside Front Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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

Pass 9 May 2023 9,808 miles

Nearside Rear seat belt does not unwind

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

Rear Suspension component mounting prescribed area is corroded but not considered excessive both sides floor (5.3.6 (a) (i))

Fail 9 May 2023 9,805 miles

Headlamp not working on main beam both sides (4.1.1 (a) (ii))

Nearside Rear seat belt does not unwind

Nearside side repeater inoperative

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

Rear Service brake binding but not excessively both sides (1.2.1 (f))

Rear Suspension component mounting prescribed area is corroded but not considered excessive both sides floor (5.3.6 (a) (i))

Pass 25 May 2022 7,677 miles
Fail 25 May 2022 7,658 miles

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

Pass 6 May 2021 6,072 miles
Fail 5 May 2021 6,062 miles

Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

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

Steering column top bearing slightly worn (2.2.2 (b))

Pass 22 Apr 2020 3,491 miles
Pass 29 May 2019 3,009 miles
Fail 29 May 2019 3,009 miles

Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Pass 31 May 2018 2,838 miles
Pass 15 Jul 2011 2,705 miles
Fail 12 Jul 2011 2,705 miles

Centre Rear Brake pipe excessively corroded (3.6.B.2c)

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

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

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

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

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

rear brake application uneven (3.7.B.2)

rear brakes release unevenly (3.7.B.4)

steering rack bushes worn

Pass 20 May 2010 2,582 miles
Pass 18 Feb 2009 102,274 miles
Pass 5 Mar 2008 101,980 miles
Pass 5 Mar 2007 1,480 miles
Pass 24 Jan 2006 91,839 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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ULO 677R is a 1977 Triumph Stag in Green with a 2,997cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 68.2%.

Across all 1977 Triumph Stag models, the average MOT pass rate is 77.7% with a typical mileage of 60,708 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 ULO 677R, 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 49 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 ULO 677R?

You can check the full history of ULO 677R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ULO 677R registered?

ULO 677R is a 1977 Triumph Stag, first registered on 1 January 1977.

Is ULO 677R safe to buy?

The MOT history for ULO 677R shows 22 tests with a 68.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ULO 677R 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 ULO 677R. 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.