CarVerify

Free Car Check

SEF 863R

1977 Triumph Stag

Green Petrol 2997cc
Search another vehicle

MOT Status

Valid
Expires15 May 2027
Tests25 (21 pass, 4 fail)
Pass rate84%

Mileage

93,222 mi
Last recorded93,222 miles
Recorded on15 May 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 £14.99

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

RegistrationSEF 863R
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

21 pass 4 fail
Pass 15 May 2026 93,222 miles
Pass 16 May 2025 91,821 miles
Pass 5 Feb 2024 89,732 miles
Pass 3 Feb 2023 87,404 miles
Fail 3 Feb 2023 87,402 miles

Horn not working (7.7 (a))

Pass 7 Feb 2022 85,062 miles
Pass 20 Mar 2020 83,183 miles
Pass 6 Mar 2019 79,870 miles

slight oil leak from sump area

Fail 27 Feb 2019 79,826 miles

Front Windscreen wiper not working (3.4 (a))

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))

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

slight oil leak from sump area

Pass 5 Dec 2017 78,775 miles
Pass 5 Dec 2016 78,046 miles
Pass 8 Dec 2015 77,246 miles
Pass 10 Dec 2014 76,470 miles
Pass 5 Dec 2012 73,355 miles
Pass 12 May 2011 69,441 miles

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

Pass 28 May 2010 64,764 miles

Front Shock absorber has a slightly reduced damping effect (2.7.5)

sligh hand /brake travell

Pass 5 Jun 2009 60,454 miles

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

Fail 5 Jun 2009 60,454 miles

Headlamp aim aimed so that it dazzles other road users (1.8.A.1a)

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

Pass 5 Jun 2008 56,770 miles

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

Centre Front Brake hose slightly deteriorated (3.6.B.4d)

Nearside Headlamp not in good working order but not adversely affecting beam image (1.2.4a)

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

Steering rack deformed but serviceable (2.2.C.1d)

Pass 7 Jun 2007 55,156 miles
Fail 7 Jun 2007 55,156 miles

Offside Stop lamp not working (1.2.1b)

Front Headlamp not in good working order but not adversely affecting beam image (1.2.4a)

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

Pass 17 Jul 2006 55,089 miles

Front Headlamp not in good working order but not adversely affecting beam image (1.2.4a)

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

Pass 9 May 2005 54,387 miles
Pass 9 May 2005 54,387 miles
Pass 9 May 2005 54,387 miles

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

SEF 863R is a 1977 Triumph Stag in Green with a 2,997cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 84%.

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 performed better than the average for its year.

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 SEF 863R, 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 SEF 863R?

You can check the full history of SEF 863R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SEF 863R registered?

SEF 863R is a 1977 Triumph Stag, first registered on 1 June 1977.

Is SEF 863R safe to buy?

The MOT history for SEF 863R shows 25 tests with a 84% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SEF 863R 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 SEF 863R. 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.