CarVerify

Free Car Check

OMU 78R

1977 Triumph Stag

Brown Petrol 2997cc
Search another vehicle

MOT Status

Valid
Expires24 Mar 2027
Tests21 (14 pass, 7 fail)
Pass rate66.7%

Mileage

93,843 mi
Last recorded93,843 miles
Recorded on25 Mar 2026
Typical for 1977 Triumph Stag60,708 mi

Significantly above average — investigate

4 checks still locked for this Triumph
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationOMU 78R
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

14 pass 7 fail
Pass 25 Mar 2026 93,843 miles
Pass 17 Jul 2018 93,274 miles

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

Fail 4 Jul 2018 93,270 miles

Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b))

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

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

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

Pass 2 Dec 2016 93,262 miles

oil leak. front

Pass 7 Dec 2015 93,079 miles
Pass 10 Jun 2015 92,913 miles
Fail 29 May 2015 92,913 miles

Direction indicators flashing less than 60 times a minute (1.4.A.2g)

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

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

rear brake application uneven (3.7.B.2)

Pass 27 May 2014 92,842 miles
Pass 28 May 2013 92,127 miles
Fail 28 May 2013 92,127 miles

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

Nearside Rear Direction indicator not working (1.4.A.2c)

Nearside Rear Hazard warning lamps inoperative (1.4.B.1b)

Offside Rear Direction indicator not working (1.4.A.2c)

Offside Rear Hazard warning lamps inoperative (1.4.B.1b)

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

Pass 22 May 2012 91,874 miles

Nearside wiper blade slightly deteriorated

Pass 31 May 2011 91,125 miles
Fail 26 May 2011 91,125 miles

Headlamp switch faulty (1.7.1)

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

Position lamp switch faulty (1.1.A.1)

Pass 10 May 2010 90,439 miles

Nearside Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 28 May 2009 89,143 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Fail 19 May 2009 89,140 miles

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

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

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

Exhaust has a minor leak of exhaust gases (7.1.2)

Oil leak

Pass 2 May 2008 88,106 miles
Pass 29 May 2007 87,146 miles

Exhaust has part of the system slightly deteriorated (7.1.1a)

Nearside Headlamp damaged but light output not reduced (1.7.5a)

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

Offside Headlamp damaged but light output not reduced (1.7.5a)

Oil leak

Fail 29 May 2007 87,146 miles

Oil leak

Exhaust has part of the system slightly deteriorated (7.1.1a)

Nearside Headlamp damaged but light output not reduced (1.7.5a)

Nearside Seat belt insecurely fixed to the vehicles structure (5.2.1a)

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

Offside Headlamp damaged but light output not reduced (1.7.5a)

Offside Seat belt insecurely fixed to the vehicles structure (5.2.1a)

Pass 2 Jun 2006 85,291 miles

Nearside Front Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Offside Front Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Brake pad(s) wearing thin (3.5.1g)

Offside Rear wheel bearing has slight play (2.6.2)

Steering column top bearing slightly worn (2.1.2c)

oil leak

Fail 30 May 2006 85,276 miles

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

Front Windscreen wiper not operating automatically when switched on (8.2.1b) DANGEROUS

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

Nearside Rear wheel bearing has excessive play (2.6.2) DANGEROUS

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

Nearside Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Offside Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Brake pad(s) wearing thin (3.5.1g)

Offside Rear wheel bearing has slight play (2.6.2)

Steering column top bearing slightly worn (2.1.2c)

coolant leaking

oil leak

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.

£30k guarantee Instant results Cancel anytime

OMU 78R is a 1977 Triumph Stag in Brown with a 2,997cc petrol engine. This vehicle has been through 21 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 OMU 78R, 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 OMU 78R?

You can check the full history of OMU 78R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was OMU 78R registered?

OMU 78R is a 1977 Triumph Stag, first registered on 1 March 1977.

Is OMU 78R safe to buy?

The MOT history for OMU 78R shows 21 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 OMU 78R 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 OMU 78R. 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.