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B8 COS

1986 Ford Sierra

White Petrol 1993cc
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MOT Status

Valid
Expires5 May 2027
Tests19 (14 pass, 5 fail)
Pass rate73.7%

Mileage

17,185 mi
Last recorded17,185 miles
Recorded on6 May 2026
Typical for 1986 Ford Sierra57,627 mi

Below or average mileage for this year

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

RegistrationB8 COS
MakeFord
ModelSierra
Year1986
ColourWhite
Fuel typePetrol
Engine1,993cc

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 5 fail
Pass 6 May 2026 17,185 miles

Exhaust has a minor leak of exhaust gases middle box (6.1.2 (a))

Fail 1 May 2026 17,184 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Nearside Front Direction indicator not working wing (4.4.1 (a) (ii))

Stop lamp(s) adversely affected by the operation of another lamp dipped beam goes out when main beam on (4.3.3 (b))

Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) DANGEROUS

Exhaust has a minor leak of exhaust gases middle box (6.1.2 (a))

Indicator tell-tale inoperative (4.9.1 (a) (i))

Fail 28 Apr 2026 17,178 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Offside Front Direction indicator not working wing (4.4.1 (a) (ii))

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

Offside Front Stop lamp(s) adversely affected by the operation of another lamp dipped beam goes out when main beam on (4.3.3 (b))

Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) DANGEROUS

Central Exhaust has a minor leak of exhaust gases middle box (6.1.2 (a))

Indicator tell-tale inoperative (4.9.1 (a) (i))

Pass 9 Apr 2025 16,772 miles
Pass 14 Mar 2024 16,373 miles
Pass 16 Mar 2023 16,357 miles
Pass 22 Feb 2018 16,357 miles
Pass 21 Jul 2016 16,354 miles
Pass 20 Apr 2015 16,354 miles
Fail 20 Apr 2015 16,354 miles

Nearside Front Tyre has ply or cords exposed (4.1.D.1b)

o/s/f in poor condition

Pass 15 Jul 2013 16,354 miles
Pass 15 May 2012 16,354 miles
Pass 16 Apr 2011 16,354 miles
Fail 8 Apr 2011 16,354 miles

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

Nearside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2)

Rear Exhaust system not adequately supported (7.1.1)

Pass 13 Mar 2010 15,918 miles
Pass 7 Feb 2009 115,684 miles
Pass 11 Apr 2007 13,904 miles
Pass 14 Oct 2005 8,944 miles
Fail 13 Oct 2005 8,944 miles

Centre Exhaust has a major leak of exhaust gases (7.1.2)

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

Nearside Rear Direction indicator adversely affected by the operation of another lamp (1.4.A.2h)

Offside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2)

Offside Registration plate lamp not working (1.1.C.1d)

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

Ball joint has slight play (2.2.B.1f)

Rear Brake pipe slightly corroded (3.6.B.2c)

Steering column flexible coupling is slightly deteriorated (2.1.5)

Steering column top bearing slightly worn (2.1.2c)

How Reliable is the Ford Sierra?

Based on 235,897 MOT tests across 50,859 vehicles.

69.3%
Pass Rate
1,731
Miles/Year
43
Year Lifespan
50,859
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 24,833
Seat belt anchorage prescribed area is excessively corroded 20,240
Tyre tread depth below requirements of 1.6mm 12,426
Subframe mounting prescribed area is excessively corroded 8,585
Brake pipe excessively corroded 7,976
Full Ford Sierra reliability report

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B8 COS is a 1986 Ford Sierra in White with a 1,993cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 73.7%.

Across all 1986 Ford Sierra models, the average MOT pass rate is 80.3% with a typical mileage of 57,627 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 Ford Sierra fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 24,833 recorded failures. If you're considering buying B8 COS, it's worth having these areas checked by a mechanic before committing.

The Ford Sierra typically stays on UK roads for around 43 years. At 40 years old, this Ford Sierra is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of B8 COS?

You can check the full history of B8 COS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B8 COS registered?

B8 COS is a 1986 Ford Sierra, first registered on 22 December 1986.

Is B8 COS safe to buy?

The MOT history for B8 COS shows 19 tests with a 73.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B8 COS 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 B8 COS. 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.