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SOG 888S

1977 Triumph Stag

Green Petrol 2997cc
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MOT Status

Expired
Expires30 Jul 2026
Tests8 (4 pass, 4 fail)
Pass rate50%

Mileage

13,488 mi
Last recorded13,488 miles
Recorded on31 Jul 2025
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

RegistrationSOG 888S
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

4 pass 4 fail
Pass 31 Jul 2025 13,488 miles
Pass 7 Jun 2021 13,310 miles
Fail 4 May 2021 13,309 miles

Battery insecure and likely to cause a short circuit (4.13 (a) (ii))

Front Brakes imbalanced across an axle Axle 1 (1.2.1 (b) (i))

Nearside Front Service brake excessively binding (1.2.1 (f))

Nearside Rear Service brake excessively binding (1.2.1 (f))

Nearside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Offside Rear Service brake excessively binding (1.2.1 (f))

Windscreen washer not working (3.5 (a))

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

Offside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Pass 3 Jul 2011 13,300 miles

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

both rear tyres tread worn to legal minimum,replace as soon as possible.

Fail 26 Jun 2011 13,297 miles

Front registration plate incorrect (6.3.1a)

Horn not working (1.6.2a)

Nearside Front Seat belt locking mechanism does not secure or release (5.2.5a)

Nearside Rear wheel bearing has excessive play (2.6.2)

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

Offside Front Seat belt locking mechanism does not secure or release (5.2.5a)

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

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

Rear registration plate incorrect (6.3.1a)

Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Front Track rod end ball joint has excessive play (2.2.B.1f) DANGEROUS

both rear tyres tread worn to legal minimum,replace as soon as possible.

Fail 1 Jun 2010 13,275 miles

Battery insecure

Headlamp aim too high (1.8)

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

Nearside Rear wheel bearing has slight play (2.6.2)

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

corrosion noted on nearside front inner sill/door shut.

nearside front seat belt catch button broken,catch still functions.

Pass 1 Jun 2010 13,275 miles

Battery insecure

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

Nearside Rear wheel bearing has slight play (2.6.2)

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

corrosion noted on nearside front inner sill/door shut.

nearside front seat belt catch button broken,catch still functions.

Fail 27 Apr 2009 13,265 miles

Nearside Headlamp aim too high (1.8)

Nearside Rear wheel bearing has excessive play (2.6.2)

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

Offside Headlamp aim too high (1.8)

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

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

Windscreen washer provides insufficient washer liquid (8.2.3)

front brakes release unevenly (3.7.B.4)

Coolant leak

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

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

corrosion noted on nearside front inner sill/door shut.

nearside front seat belt catch button broken,catch still functions.

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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SOG 888S is a 1977 Triumph Stag in Green with a 2,997cc petrol engine. This vehicle has been through 8 MOT tests with a personal pass rate of 50%.

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 SOG 888S, 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 SOG 888S?

You can check the full history of SOG 888S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SOG 888S registered?

SOG 888S is a 1977 Triumph Stag, first registered on 10 August 1977.

Is SOG 888S safe to buy?

The MOT history for SOG 888S shows 8 tests with a 50% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SOG 888S 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 SOG 888S. 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.