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DNS 808T

1978 Triumph Stag Auto

Blue Petrol 2997cc
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MOT Status

Expired
Expires17 Jun 2026
Tests12 (8 pass, 4 fail)
Pass rate66.7%

Mileage

81,349 mi
Last recorded81,349 miles
Recorded on18 Jun 2025
Typical for 1978 Triumph Stag Auto56,939 mi

Significantly above average — investigate

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

RegistrationDNS 808T
MakeTriumph
ModelStag Auto
Year1978
ColourBlue
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

8 pass 4 fail
Pass 18 Jun 2025 81,349 miles
Pass 16 Jun 2015 79,811 miles
Fail 16 Jun 2015 79,811 miles

Nearside Stop lamp not working (1.2.1b)

Offside Stop lamp not working (1.2.1b)

Pass 19 Jun 2012 79,808 miles
Pass 29 Apr 2011 79,217 miles

Nearside Front Suspension arm rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Suspension arm rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

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

engine oil leaking onto exhaust

Pass 9 Jul 2010 78,735 miles

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

Fail 8 Jul 2010 78,735 miles

Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps (1.7.4b)

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

Pass 10 Jun 2008 78,682 miles

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

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

Fail 12 May 2008 78,682 miles

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

Front registration plate missing (6.3.1a)

Headlamp aim too low (1.8)

Horn not working (1.6.2a)

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

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

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

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

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

Pass 21 May 2007 78,657 miles

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

Nearside outer track rod end joint cover split/missing

Offside Inner Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside outer track rod end joint cover split/missing

Steering column top bearing slightly worn (2.1.2c)

Fail 16 May 2007 78,560 miles

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

Offside Headlamp aim too high (1.8)

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

Parking brake lever has no reserve travel (3.1.6b)

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

Parking brake: efficiency below requirements (3.7.C.1b) DANGEROUS

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

Nearside outer track rod end joint cover split/missing

Offside Inner Front Suspension arm has slight play in a pin/bush (2.4.G.2)

Offside outer track rod end joint cover split/missing

Pass 18 May 2006 77,997 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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DNS 808T is a 1978 Triumph Stag Auto in Blue with a 2,997cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 66.7%.

Across all 1978 Triumph Stag Auto models, the average MOT pass rate is 76.2% with a typical mileage of 56,939 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 DNS 808T, 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 48 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 DNS 808T?

You can check the full history of DNS 808T by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was DNS 808T registered?

DNS 808T is a 1978 Triumph Stag Auto, first registered on 1 August 1978.

Is DNS 808T safe to buy?

The MOT history for DNS 808T 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 DNS 808T 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 DNS 808T. 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.