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SOF 949S

1977 Triumph Stag

Brown Petrol 2997cc
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MOT Status

Valid
Expires18 Nov 2026
Tests28 (21 pass, 7 fail)
Pass rate75%

Mileage

91,355 mi
Last recorded91,355 miles
Recorded on19 Nov 2025
Typical for 1977 Triumph Stag60,708 mi

Significantly above average — investigate

4 checks still locked for this Triumph
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Vehicle Details

RegistrationSOF 949S
MakeTriumph
ModelStag
Year1977
ColourBrown
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

21 pass 7 fail
Pass 19 Nov 2025 91,355 miles
Pass 16 Apr 2024 91,139 miles

Front Vehicle structure is corroded but structural rigidity is not significantly reduced Cross member (6.1.1 (c) (i))

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 13 Mar 2023 90,674 miles

Nearside Front Rigid brake pipe corroded

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

Offside Rear Service brake binding but not excessively (1.2.1 (f))

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

Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Fail 13 Mar 2023 90,674 miles

Nearside Front Rigid brake pipe corroded

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

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Offside Steering locking device ineffective Track rod end locking nut loose (2.1.3 (d))

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

Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Windscreen washer not working (3.5 (a))

Pass 19 Mar 2022 89,980 miles

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 9 Nov 2020 89,162 miles
Pass 25 Oct 2019 88,445 miles
Fail 24 Oct 2019 88,444 miles

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Pass 16 Nov 2018 88,177 miles
Pass 26 Oct 2017 87,729 miles
Pass 8 Nov 2016 86,657 miles
Pass 9 Nov 2015 86,102 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Front Steering pivot point has slight play (2.2.B.1g)

Offside Rear wheel bearing has slight play (2.6.2)

Fail 5 Nov 2015 86,085 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.2.C.1c)

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

rear brake application uneven (3.7.B.2)

rear brakes release unevenly (3.7.B.4)

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Front Steering pivot point has slight play (2.2.B.1g)

Offside Rear wheel bearing has slight play (2.6.2)

Pass 13 Jan 2015 85,357 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Play in steering rack inner joint(s)

Fail 6 Jan 2015 85,351 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Nearside Front Steering rack gaiter insecure (2.2.D.2d)

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

Offside Front Steering rack gaiter insecure (2.2.D.2d)

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

Offside rear brake binding (3.7.B.1)

Nearside Rear wheel bearing has slight play (2.6.2)

Play in steering rack inner joint(s)

Pass 29 Nov 2013 83,964 miles
Pass 12 Apr 2013 83,867 miles
Pass 21 Mar 2012 83,551 miles
Pass 6 Apr 2011 83,139 miles
Fail 6 Apr 2011 83,139 miles

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

Pass 20 Apr 2010 82,851 miles

Nearside Front Front wheel bearing has slight play (2.5.A.3c)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Fail 19 Apr 2010 82,851 miles

Nearside Front Seat belt retracting mechanism defective (5.2.5b)

Nearside Rear Stop lamp not working (1.2.1b)

Offside Front Seat belt retracting mechanism defective (5.2.5b)

Offside Rear Stop lamp not working (1.2.1b)

Nearside Front Front wheel bearing has slight play (2.5.A.3c)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Pass 1 Oct 2009 82,590 miles
Pass 19 Mar 2009 81,891 miles
Pass 17 Nov 2008 81,837 miles
Pass 7 Jul 2008 81,727 miles

Nearside Front Vehicle structure has slight corrosion (6.1.A.1)

Pass 26 Jun 2007 81,209 miles

Front brake disc slightly pitted (3.5.1h)

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Nearside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (5.2.6)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Fail 20 Jun 2007 81,208 miles

Brake pedal creeps down when held under pressure (3.3.B.1a)

Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Fuel cap/sealing device sealing washer deteriorated (7.2.4c)

Nearside Headlamp aim too low (1.8)

Offside Headlamp aim too low (1.8)

Rear Exhaust system not adequately supported (7.1.1)

rear brake application uneven (3.7.B.2)

Nearside Front brake disc slightly pitted (3.5.1h)

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Nearside Seat belt anchorage prescribed area is corroded but not considered excessive (5.2.6)

Offside Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Offside Front brake disc slightly pitted (3.5.1h)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Offside Seat belt anchorage prescribed area is corroded but not considered excessive (5.2.6)

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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SOF 949S is a 1977 Triumph Stag in Brown with a 2,997cc petrol engine. This vehicle has been through 28 MOT tests with a personal pass rate of 75%.

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 SOF 949S, 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 SOF 949S?

You can check the full history of SOF 949S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SOF 949S registered?

SOF 949S is a 1977 Triumph Stag, first registered on 11 August 1977.

Is SOF 949S safe to buy?

The MOT history for SOF 949S shows 28 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SOF 949S 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 SOF 949S. 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.