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TEF 204R

1977 Triumph Stag Auto

Yellow Petrol 2997cc
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MOT Status

Valid
Expires20 Jul 2027
Tests19 (16 pass, 3 fail)
Pass rate84.2%

Mileage

87,858 mi
Last recorded87,858 miles
Recorded on18 Jul 2026
Typical for 1977 Triumph Stag Auto60,392 mi

Significantly above average — investigate

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

RegistrationTEF 204R
MakeTriumph
ModelStag Auto
Year1977
ColourYellow
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

16 pass 3 fail
Pass 18 Jul 2026 87,858 miles
Pass 8 Jul 2025 87,353 miles
Pass 16 Jul 2024 86,158 miles

Front Play in steering rack inner joint(s)

Front Wheel bearing has slight play both n/s and o/s (5.1.3 (a) (i))

Pass 13 Jul 2023 84,968 miles
Pass 5 Jul 2022 84,289 miles
Pass 21 Jul 2021 83,452 miles
Pass 19 Jun 2020 83,017 miles
Pass 9 May 2016 82,555 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)

Offside Slight play in rack internals

Slight play in upper steering column attachment

Fail 30 Apr 2016 82,550 miles

Nearside Headlamp aim too high (1.8)

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

Nearside Stop lamp adversely affected by the operation of another lamp (1.2.1f)

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

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

Offside Slight play in rack internals

Slight play in upper steering column attachment

Pass 5 Jul 2014 82,113 miles

Oil leak

Pass 12 Jul 2013 81,664 miles
Pass 6 Jul 2012 80,575 miles

Minor chips in screen

Slight fluffing and fraying to offside front and nearside front seat belts

Slight play in nearside front and offside front wheel bearings

Pass 8 Jul 2011 79,427 miles
Pass 26 Jun 2010 78,852 miles
Pass 22 Jun 2009 78,434 miles
Fail 20 Jun 2009 78,423 miles

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

Pass 28 Jun 2008 77,702 miles
Fail 24 Jun 2008 77,696 miles

Offside Front Shock absorber insecure (2.7.2b)

Pass 1 May 2007 76,741 miles

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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TEF 204R is a 1977 Triumph Stag Auto in Yellow with a 2,997cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 84.2%.

Across all 1977 Triumph Stag Auto models, the average MOT pass rate is 76.9% with a typical mileage of 60,392 miles. This particular vehicle has performed better than the average for its year.

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 TEF 204R, 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 49 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 TEF 204R?

You can check the full history of TEF 204R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was TEF 204R registered?

TEF 204R is a 1977 Triumph Stag Auto, first registered on 4 March 1977.

Is TEF 204R safe to buy?

The MOT history for TEF 204R shows 19 tests with a 84.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does TEF 204R 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 TEF 204R. 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.