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A6 COS

1990 Ford Sierra Sapphire

Blue Petrol 1993cc
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MOT Status

Valid
Expires1 Apr 2027
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

16,691 mi
Last recorded16,691 miles
Recorded on2 Apr 2026
Typical for 1990 Ford Sierra Sapphire48,133 mi

Below or average mileage for this year

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

RegistrationA6 COS
MakeFord
ModelSierra Sapphire
Year1990
ColourBlue
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

15 pass 7 fail
Pass 2 Apr 2026 16,691 miles
Pass 8 Jan 2025 16,553 miles
Pass 7 Jun 2022 12,086 miles
Pass 30 Mar 2021 11,833 miles
Pass 16 Apr 2019 10,997 miles
Pass 29 May 2015 9,306 miles

Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

offside rear handbrake performance low, nearside 226 kg locking, offside 127 kg not locking

small crack at offside top of windscreen

Pass 16 May 2014 8,283 miles

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

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

Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

nearside rear seatbelt slightly slow to retract

Fail 15 May 2014 8,282 miles

Battery insecure (1.9.1)

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

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

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

Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

nearside rear seatbelt slightly slow to retract

offside handbrake performance low

Fail 9 Apr 2013 4,779 miles

Nearside Inner Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)

Nearside Stop lamp not working (1.2.1b)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Play in steering rack inner joint(s)

Pass 9 Apr 2013 4,779 miles

Nearside Inner Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Play in steering rack inner joint(s)

Pass 10 Apr 2012 98,204 miles

Battery loose

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

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

Oil leak

Fail 10 Apr 2012 98,204 miles

Offside Headlamp aim too high (1.8)

Oil leak

Battery loose

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

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

Pass 14 Apr 2011 91,258 miles

Brake pedal actuating linkage has slight wear in the eye of a brake stationary pivot (3.3.A.1g)

Exhaust clamp missing but joint secure and not leaking

Oil leak

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)

Steering column top bearing slightly worn (2.1.2c)

Fail 14 Apr 2011 91,258 miles

Brake pedal actuating linkage has slight wear in the eye of a brake stationary pivot (3.3.A.1g)

Exhaust clamp missing but joint secure and not leaking

Nearside Side repeater not working (1.4.A.2c)

Oil leak

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)

Steering column top bearing slightly worn (2.1.2c)

Pass 15 Jun 2010 83,662 miles

Brake pedal has slight side movement indicating a worn pedal bearing or pivot (3.3.A.1d)

Fail 14 Jun 2010 83,662 miles

Brake hose leaking (3.6.A.1)

Front Brake pipe inadequately clipped (3.6.B.1)

Front Steering system has a tyre fouling a part of the vehicle (2.2.D.2a)

Headlamp aim too high (1.8)

Horn not working (1.6.2a)

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

Rear Brake pipe inadequately clipped (3.6.B.1)

Rear wheel bearing has excessive play (2.6.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

Brake pedal has slight side movement indicating a worn pedal bearing or pivot (3.3.A.1d)

Fail 11 Nov 2008 80,996 miles

Nearside Headlamp aim too high (1.8)

Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)

Pass 11 Nov 2008 80,996 miles

Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)

Pass 11 Dec 2007 73,728 miles

Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

column has slight play in bottom bush

Fail 11 Dec 2007 73,728 miles

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

Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)

column has slight play in bottom bush

Pass 13 Dec 2006 72,637 miles
Pass 2 Dec 2005 71,943 miles

How Reliable is the Ford Sierra Sapphire?

Based on 45,605 MOT tests across 9,774 vehicles.

70.4%
Pass Rate
1,818
Miles/Year
38
Year Lifespan
9,774
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 4,789
Seat belt anchorage prescribed area is excessively corroded 3,266
Tyre tread depth below requirements of 1.6mm 2,388
Subframe mounting prescribed area is excessively corroded 1,613
Brake pipe excessively corroded 1,568
Full Ford Sierra Sapphire reliability report

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A6 COS is a 1990 Ford Sierra Sapphire in Blue with a 1,993cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 68.2%.

Across all 1990 Ford Sierra Sapphire models, the average MOT pass rate is 70.2% with a typical mileage of 48,133 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 Sapphire fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 4,789 recorded failures. If you're considering buying A6 COS, it's worth having these areas checked by a mechanic before committing.

The Ford Sierra Sapphire typically stays on UK roads for around 38 years. At 36 years old, this Ford Sierra Sapphire is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of A6 COS?

You can check the full history of A6 COS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was A6 COS registered?

A6 COS is a 1990 Ford Sierra Sapphire, first registered on 31 December 1990.

Is A6 COS safe to buy?

The MOT history for A6 COS shows 22 tests with a 68.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does A6 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 A6 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.