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G166 ARX

1990 Ford Sierra

Blue Petrol 1769cc
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MOT Status

Valid
Expires4 Feb 2027
Tests30 (20 pass, 10 fail)
Pass rate66.7%

Mileage

51,962 mi
Last recorded51,962 miles
Recorded on5 Feb 2026
Typical for 1990 Ford Sierra49,918 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

RegistrationG166 ARX
MakeFord
ModelSierra
Year1990
ColourBlue
Fuel typePetrol
Engine1,769cc

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

20 pass 10 fail
Pass 5 Feb 2026 51,962 miles

Under vehicle covered in thick underseal

Fail 5 Feb 2026 51,597 miles

Brake performance unable to be tested (1.2.1 (g))

Emissions unable to be completed (8.2.1.2 (d))

Under vehicle covered in thick underseal

Pass 24 May 2024 51,339 miles

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced floor (6.1.1 (c) (i))

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced floor (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

slight blue smoke

under body rusty

Fail 23 May 2024 51,339 miles

Exhaust has a major leak of exhaust gases centre (6.1.2 (a))

Rear Brakes imbalanced across an axle (1.2.1 (b) (i))

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced floor (6.1.1 (c) (i))

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced floor (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

slight blue smoke

under body rusty

Pass 18 May 2023 50,872 miles

Brake pipe corroded, covered in grease or other material all (1.1.11 (c))

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Steering column top bearing slightly worn (2.2.2 (b))

Fail 18 May 2023 50,870 miles

Exhaust emits excessive dense blue smoke during acceleration (8.2.1.2 (g))

Nearside Rear Parking brake inoperative on one side (1.4.1 (a))

Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii))

Nearside Rear Service brake excessively binding (1.2.1 (f))

Rear Brakes imbalanced across an axle (1.2.1 (b) (i))

Brake pipe corroded, covered in grease or other material all (1.1.11 (c))

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Steering column top bearing slightly worn (2.2.2 (b))

Pass 21 Apr 2022 50,284 miles

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

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Steering column top bearing slightly worn (2.2.2 (b))

Fail 19 Apr 2022 50,284 miles

Offside Seat belt anchorage prescribed area strength or continuity significantly reduced floor (7.1.1 (a) (i))

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

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Offside Windscreen wiper blade defective (3.4 (b) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Steering column top bearing slightly worn (2.2.2 (b))

Pass 10 May 2021 49,826 miles

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

Offside Rear Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Steering head bearings has slight free play (2.2.2 (g))

Tyre slightly damaged/cracking or perishing stepping inner edge (5.2.3 (d) (ii))

front wiper blades poor

Fail 5 May 2021 49,825 miles

Nearside Front Service brake excessively binding (1.2.1 (f))

Nearside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength arch (5.3.6 (a) (i))

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

Offside Rear Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Steering head bearings has slight free play (2.2.2 (g))

Tyre slightly damaged/cracking or perishing stepping inner edge (5.2.3 (d) (ii))

front wiper blades poor

Pass 18 May 2020 49,622 miles

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

o.s mirror insecure

stone chip within zone b

Fail 18 May 2020 49,618 miles

Nearside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

o.s mirror insecure

stone chip within zone b

Pass 8 May 2019 49,040 miles

Brake pipe corroded, covered in grease or other material all (1.1.11 (c))

Steering column top bearing slightly worn (2.2.2 (b))

Pass 16 May 2018 49,033 miles
Pass 19 May 2017 48,343 miles

Coolant leak ()

Exhaust has a minor leak of exhaust gases mid section (7.1.2)

Front coil spring corroded both (2.4.C.1b)

Nearside Front Tyre worn close to the legal limit 2mm inner edge (4.1.E.1)

Nearside Rear Shock absorber has a light misting of oil (2.7.3)

Nearside Rear inner cv boot deteriorated

Nearside Rear outer cv boot split

Offside Front Brake hose slightly deteriorated (3.6.B.4d)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Offside Rear Nail in tyre ()

Offside Rear Seat belt damaged but webbing not significantly weakened (5.2.2a)

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Oil leak ()

Rear coil spring corroded both (2.4.C.1b)

corrosion around rear of battery tray

exhaust back box corroded

front tyres deteriorated

Front Bumper insecure ()

Fail 17 May 2017 48,332 miles

Nearside Front Brake hose ferrule excessively corroded (3.6.B.4e)

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings inner sill (6.1.B.2)

Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings inner sill (6.1.B.2)

Coolant leak ()

Exhaust has a minor leak of exhaust gases mid section (7.1.2)

Front coil spring corroded both (2.4.C.1b)

Nearside Front Tyre worn close to the legal limit 2mm inner edge (4.1.E.1)

Nearside Rear Shock absorber has a light misting of oil (2.7.3)

Nearside Rear inner cv boot deteriorated

Nearside Rear outer cv boot split

Offside Front Brake hose slightly deteriorated (3.6.B.4d)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Offside Rear Nail in tyre ()

Offside Rear Seat belt damaged but webbing not significantly weakened (5.2.2a)

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Oil leak ()

Rear coil spring corroded both (2.4.C.1b)

corrosion around rear of battery tray

exhaust back box corroded

front tyres deteriorated

Front Bumper insecure ()

Pass 18 May 2016 47,601 miles
Pass 11 May 2015 46,939 miles
Pass 15 May 2014 46,057 miles
Fail 14 May 2014 46,057 miles

Offside Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Steering column movement between the shaft and steering wheel (2.1.2b)

Pass 2 May 2013 45,037 miles
Pass 11 Jul 2012 44,239 miles
Pass 13 Jul 2011 43,202 miles

Body has slight corrosion (6.1.B.2)

Offside Rear Seat belt stitching slightly frayed (5.2.2b)

Pass 13 Jul 2010 42,124 miles
Pass 18 May 2009 40,646 miles
Fail 18 May 2009 40,646 miles

Nearside Rear Front constant velocity joint gaiter split (2.5.C.1a)

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Steering column movement between the shaft and steering wheel (2.1.2b)

Pass 19 May 2008 39,101 miles
Pass 17 May 2007 37,126 miles
Fail 17 May 2007 37,126 miles

Offside Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Pass 19 May 2006 35,164 miles

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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G166 ARX is a 1990 Ford Sierra in Blue with a 1,769cc petrol engine. This vehicle has been through 30 MOT tests with a personal pass rate of 66.7%.

Across all 1990 Ford Sierra models, the average MOT pass rate is 67.6% with a typical mileage of 49,918 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 G166 ARX, 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 36 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 G166 ARX?

You can check the full history of G166 ARX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G166 ARX registered?

G166 ARX is a 1990 Ford Sierra, first registered on 2 March 1990.

Is G166 ARX safe to buy?

The MOT history for G166 ARX shows 30 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 G166 ARX 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 G166 ARX. 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.