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GNR 166N

1974 Triumph Stag Auto

White Petrol 2997cc
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MOT Status

Valid
Expires21 May 2027
Tests29 (20 pass, 9 fail)
Pass rate69%

Mileage

67,596 mi
Last recorded67,596 miles
Recorded on22 May 2026
Typical for 1974 Triumph Stag Auto63,295 mi

Below or average mileage for this year

4 checks still locked for this Triumph
Stolen
Finance
Write-off
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Vehicle Details

RegistrationGNR 166N
MakeTriumph
ModelStag Auto
Year1974
ColourWhite
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

20 pass 9 fail
Pass 22 May 2026 67,596 miles
Pass 24 Apr 2025 66,383 miles
Pass 14 Jun 2024 64,899 miles
Pass 9 Feb 2022 60,695 miles

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

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

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

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

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

Pass 23 Feb 2021 57,931 miles
Pass 29 May 2020 57,211 miles

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

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

Upper slight play in steering column uj

Pass 21 May 2019 53,162 miles

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

Nearside Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Nearside Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Offside Front Wheel hub spigot mounting slightly worn (5.2.1 (b) (i))

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

Pass 12 Jun 2018 47,865 miles

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

Front coil springs corroded

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

Offside Rear drive shaft bellow deteriated

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

Fail 8 Jun 2018 47,863 miles

Front Horn not working (7.7 (a) (ii))

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

Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i))

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

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

Front coil springs corroded

Nearside Rear axle mounting brkt insecure

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

Offside Rear drive shaft bellow deteriated

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

Pass 1 Apr 2017 46,944 miles
Pass 24 May 2016 46,314 miles
Pass 25 Feb 2015 46,271 miles
Pass 2 Apr 2014 45,877 miles
Pass 29 Nov 2013 45,689 miles

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

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

Play in steering rack inner joint(s)

both front & rear brakes, slightly out of balance.

n/s/f & o/s/f inner cross member is corroded & holed

n/s/r center drive shaft gaiter deteriated

one of two rear tail pipe supports is corroded & broken from floor

Fail 25 Nov 2013 45,687 miles

Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement (7.2.4b)

Nearside Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Offside Rear Seat belt anchorage prescribed area is excessively corroded (5.2.6)

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

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

Play in steering rack inner joint(s)

both front & rear brakes, slightly out of balance.

n/s/f & o/s/f inner cross member is corroded & holed

n/s/r center drive shaft gaiter deteriated

one of two rear tail pipe supports is corroded & broken from floor

Pass 29 Nov 2012 44,377 miles

Offside Steering system has slight free play detected at steering wheel (2.2.A.1b)

Fail 23 Nov 2012 44,377 miles

Brake servo vacuum pipe deteriorated (3.6.C.1b)

Driver's seat insecure (6.2.A.1)

Horn not working (1.6.2a)

Nearside Front Direction indicator flashing less than 60 times a minute (1.4.A.2g)

Nearside Rear Direction indicator flashing less than 60 times a minute (1.4.A.2g)

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

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

Registration plate lamp not fitted (1.1.C.1b)

Steering column top bearing excessively worn (2.1.2c)

Stop lamp not working (1.2.1b)

Nearside Braking system leaking (3.6.A.1) DANGEROUS

Coolant leak

Offside Steering system has slight free play detected at steering wheel (2.2.A.1b)

Pass 14 Sep 2011 43,873 miles
Fail 13 Sep 2011 43,871 miles

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

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

Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 15 Sep 2010 41,662 miles

Centre Front Brake pipe slightly corroded (3.6.B.2c)

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

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

inner edges of front tyres worn tracking appears out

Fail 13 Sep 2010 41,662 miles

Offside Stop lamp not working (1.2.1b)

Rear Registration plate lamp not working (1.1.C.1d)

Centre Front Brake pipe slightly corroded (3.6.B.2c)

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

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

inner edges of front tyres worn tracking appears out

Pass 7 Aug 2009 36,936 miles

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

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

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

Upper Steering column universal joint has slight play (2.1.5)

Fail 7 Aug 2009 36,933 miles

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

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

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

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

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

Upper Steering column universal joint has slight play (2.1.5)

Pass 7 Aug 2008 32,827 miles
Fail 6 Aug 2008 32,825 miles

Horn not working (1.6.2a)

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

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

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

Pass 11 Aug 2007 24,317 miles
Fail 7 Aug 2007 24,314 miles

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

rear brake application uneven (3.7.B.2)

Offside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) DANGEROUS

Pass 10 Aug 2006 18,642 miles
Fail 8 Aug 2006 18,642 miles

Front Front position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)

Offside Front Headlamp aim not tested (1.8.A.1c)

Offside Front Headlamp not working on dipped beam (1.7.5a)

Rear Front position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)

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

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

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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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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GNR 166N is a 1974 Triumph Stag Auto in White with a 2,997cc petrol engine. This vehicle has been through 29 MOT tests with a personal pass rate of 69%.

Across all 1974 Triumph Stag Auto models, the average MOT pass rate is 77.7% with a typical mileage of 63,295 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 Auto fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 740 recorded failures. If you're considering buying GNR 166N, 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 52 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 GNR 166N?

You can check the full history of GNR 166N by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GNR 166N registered?

GNR 166N is a 1974 Triumph Stag Auto, first registered on 7 November 1974.

Is GNR 166N safe to buy?

The MOT history for GNR 166N shows 29 tests with a 69% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GNR 166N 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 GNR 166N. 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.