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BBK 151M

1973 Triumph Stag Auto

Red Petrol 2997cc
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MOT Status

Valid
Expires23 Sep 2026
Tests14 (10 pass, 4 fail)
Pass rate71.4%

Mileage

90,600 mi
Last recorded90,600 miles
Recorded on24 Sep 2025
Typical for 1973 Triumph Stag Auto60,660 mi

Significantly above average — investigate

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

RegistrationBBK 151M
MakeTriumph
ModelStag Auto
Year1973
ColourRed
Fuel typePetrol
Engine2,997cc

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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

10 pass 4 fail
Pass 24 Sep 2025 90,600 miles
Pass 11 Jul 2018 89,405 miles
Pass 30 Aug 2017 89,092 miles
Pass 23 Aug 2016 88,969 miles
Pass 25 Aug 2015 88,873 miles

Steering column top bearing slightly worn (2.1.2c)

Fail 25 Aug 2015 88,873 miles

Battery insecure (1.9.1)

Steering column top bearing slightly worn (2.1.2c)

Pass 19 Aug 2014 88,802 miles

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

Oil leak

Power steering component(s) has slight seepage from a component (2.3.3b)

slight free play at steering collumn

Pass 13 Aug 2013 88,747 miles

Offside Front Lower Steering column universal joint has slight play (2.1.5)

Oil leak

Play in steering rack inner joint(s)

Pass 16 Aug 2012 88,630 miles
Fail 15 Aug 2012 88,630 miles

Headlamp not working on main beam (1.7.5a)

Horn not working (1.6.2a)

Nearside Rear position lamp(s) has less than 50% of the light sources illuminating (1.1.A.3b)

Headlamp not working on dipped beam (1.7.5a) DANGEROUS

Pass 19 May 2011 88,416 miles
Fail 18 May 2011 88,416 miles

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

Pass 17 Jun 2010 88,345 miles
Fail 17 Jun 2010 88,345 miles

Nearside Headlamp aim too high (1.8)

Nearside Headlamp not working on main beam (1.7.5a)

Offside Headlamp not working on main beam (1.7.5a)

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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BBK 151M is a 1973 Triumph Stag Auto in Red with a 2,997cc petrol engine. This vehicle has been through 14 MOT tests with a personal pass rate of 71.4%.

Across all 1973 Triumph Stag Auto models, the average MOT pass rate is 78.3% with a typical mileage of 60,660 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 BBK 151M, 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 53 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 BBK 151M?

You can check the full history of BBK 151M by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was BBK 151M registered?

BBK 151M is a 1973 Triumph Stag Auto, first registered on 31 August 1973.

Is BBK 151M safe to buy?

The MOT history for BBK 151M shows 14 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does BBK 151M 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 BBK 151M. 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.