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RNT 686R

1977 Triumph Stag

Green Petrol 3500cc
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MOT Status

Valid
Expires24 Mar 2027
Tests12 (8 pass, 4 fail)
Pass rate66.7%

Mileage

62,334 mi
Last recorded62,334 miles
Recorded on25 Mar 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
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Vehicle Details

RegistrationRNT 686R
MakeTriumph
ModelStag
Year1977
ColourGreen
Fuel typePetrol
Engine3,500cc

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

8 pass 4 fail
Pass 25 Mar 2026 62,334 miles

Coolant leak ()

Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Fail 20 Aug 2025 62,289 miles

Nearside Front Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced inner sill where marked (6.1.1 (c) (i))

Nearside Rear Suspension arm attachment bracket/mounting corroded and seriously weakened where marked (5.3.3 (b) (i))

Offside Front Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced inner sill where marked (6.1.1 (c) (i))

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

Oil leaking excessively from engine running onto exhaust (8.4.1 (a) (i))

Coolant leak from overflow? ()

Front Play in steering rack inner joint(s) both sides ()

Offside Front Integral body structure is corroded but structural rigidity is not significantly reduced outer sill (6.1.1 (c) (i))

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

Pass 31 Jul 2024 62,164 miles

Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement both sides bush perished (5.3.4 (a) (i))

Front Suspension arm pin or bush worn but not resulting in excessive movement both sides rear bush (5.3.4 (a) (i))

Front Windscreen wiper blade defective both front (3.4 (b) (i))

Integral body structure is corroded but structural rigidity is not significantly reduced underside corroded (6.1.1 (c) (i))

Nearside Rear Brake cable damaged but not to excess frayed (1.1.15 (a))

various repairs covered in underseal unable to check properly

Fail 31 Jul 2024 62,164 miles

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

Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement both sides bush perished (5.3.4 (a) (i))

Front Suspension arm pin or bush worn but not resulting in excessive movement both sides rear bush (5.3.4 (a) (i))

Integral body structure is corroded but structural rigidity is not significantly reduced underside corroded (6.1.1 (c) (i))

Nearside Rear Brake cable damaged but not to excess frayed (1.1.15 (a))

various repairs covered in underseal unable to check properly

Fail 30 May 2023 62,154 miles

Emissions unable to be completed back box missing (8.2.1.2 (d))

Exhaust has a major leak of exhaust gases back box missing (6.1.2 (a))

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

Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill at door hinge (7.1.1 (a) (i))

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

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

Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength boot floor (5.3.6 (a) (i))

Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill arch area (5.3.6 (a) (i))

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

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

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

Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill / wheel arch area (5.3.6 (a) (i))

Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner arch area (5.3.6 (a) (i))

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

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

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

Service brake efficiency below requirements (1.2.2 (a) (i))

Steering column attachment defective to the extent that there is a serious risk of detachment bolt missing (2.2.2 (d) (ii)) DANGEROUS

front valence area corroded but not in a prescribed area

previous under body repairs coated in filler / underseal

rear boot floor area corroded but not in a prescribed area

Pass 7 Jan 2022 62,051 miles

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

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

Pass 8 May 2017 61,838 miles

Nearside Front Tyre sidewall perished and cracked but not showing cords

Nearside Front Tyre sidewall perished and cracked but not showing cords

Nearside Rear Inner Drive shaft which forms part of the suspension coupling gaiter deteriorated, but preventing the ingress of dirt (2.4.G.4e)

Nearside Rear Tyre sidewall perished and cracked but not showing cords

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

Offside Front Tyre sidewall perished and cracked but not showing cords

Offside Rear Inner Drive shaft which forms part of the suspension coupling gaiter damaged, but preventing the ingress of dirt (2.4.G.4e)

Offside Rear Tyre sidewall perished and cracked but not showing cords

Pass 19 Apr 2016 61,772 miles
Pass 11 Feb 2013 61,541 miles

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

Pass 1 Aug 2011 61,066 miles

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

Pass 27 Apr 2007 61,009 miles
Fail 15 Jun 2006 60,990 miles

Brakes imbalanced across an axle (3.7.B.5b)

Centre Exhaust has a major leak of exhaust gases (7.1.2)

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

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

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

Nearside Front Side repeater adversely affected by the operation of another lamp (1.4.A.2h)

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

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

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

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

Nearside Rear wheel bearing has excessive play (2.6.2)

Offside Front Brake pipe excessively corroded (3.6.B.2c)

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

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

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

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

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

Steering system excessively tight (2.2.D.1)

n/s boot floor corroded and holed

various other parts of undercarriage very thin

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

Don't risk it. Know before you buy.

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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RNT 686R is a 1977 Triumph Stag in Green with a 3,500cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 66.7%.

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 RNT 686R, 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 RNT 686R?

You can check the full history of RNT 686R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was RNT 686R registered?

RNT 686R is a 1977 Triumph Stag, first registered on 8 February 1977.

Is RNT 686R safe to buy?

The MOT history for RNT 686R shows 12 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 RNT 686R 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 RNT 686R. 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.