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F429 JNX

1989 Bentley Mulsanne

Blue Petrol 6750cc
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MOT Status

Valid
Expires14 Aug 2026
Tests25 (18 pass, 7 fail)
Pass rate72%

Mileage

114,589 mi
Last recorded114,589 miles
Recorded on15 Aug 2025
Typical for 1989 Bentley Mulsanne82,587 mi

Above average mileage for this year

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

RegistrationF429 JNX
MakeBentley
ModelMulsanne
Year1989
ColourBlue
Fuel typePetrol
Engine6,750cc

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

18 pass 7 fail
Pass 15 Aug 2025 114,589 miles
Pass 22 Apr 2024 113,752 miles
Pass 3 Dec 2022 113,251 miles

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

general underbody corrosion

Pass 18 Oct 2021 113,051 miles

General underbody corrosion

Pass 4 Nov 2020 110,181 miles

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

Nearside Suspension component mounting prescribed area is corroded but not considered excessive sill (5.3.6 (a) (i))

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

Fail 14 Oct 2020 110,180 miles

Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i))

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

Nearside Suspension component mounting prescribed area is corroded but not considered excessive sill (5.3.6 (a) (i))

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

Pass 3 May 2019 108,091 miles
Pass 12 Apr 2018 106,639 miles

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

Offside outer sill corroding

Pass 29 Mar 2017 103,930 miles

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

Pass 16 Mar 2016 101,051 miles
Pass 11 Jun 2014 97,791 miles
Pass 5 Jul 2013 97,286 miles

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

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

Oil leak

nearside front front brake caliper looks like at some point has been leaking

Pass 27 Jun 2012 96,331 miles

Front Brake pad(s) wearing thin (3.5.1g)

Front tyres wearing low on edges

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 9 Nov 2010 95,406 miles

Nearside Rear wheel bearing has slight play (2.6.2)

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

Fail 28 Oct 2010 95,406 miles

Nearside Front brake caliper leaking (3.6.A.1)

Offside Front brake caliper leaking (3.6.A.1)

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

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

Nearside Rear wheel bearing has slight play (2.6.2)

Pass 15 Oct 2009 94,556 miles

Nearside rear inner and outer CV boots split

Rear wheel bearing has slight play (2.6.2)

Fail 13 Oct 2009 94,556 miles

Nearside Rear Fluid suspension unit leaking (2.4.D.2)

Nearside rear inner and outer CV boots split

Rear wheel bearing has slight play (2.6.2)

Pass 7 Nov 2008 94,504 miles
Fail 22 Oct 2008 94,489 miles

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

Pass 24 Oct 2007 93,788 miles

Nearside Front Front wheel bearing has slight play (2.5.A.3c)

Offside Front Front wheel bearing has slight play (2.5.A.3c)

Oil leak

n/s/f shock slight leak

n/s/r inner c.v boot split

Fail 15 Oct 2007 93,781 miles

Nearside Rear brake caliper leaking (3.6.A.1) DANGEROUS

Nearside Rear Fluid suspension unit slightly deteriorated (2.4.D.1b)

Oil leak

n/s/r inner c.v boot split

slight play in both front hub bearings

Pass 19 Oct 2006 91,385 miles
Fail 9 Oct 2006 91,382 miles

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

Offside Rear brake caliper leaking (3.6.A.1) DANGEROUS

Pass 30 Sep 2005 70,226 miles
Fail 29 Sep 2005

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

How Reliable is the Bentley Mulsanne?

Based on 15,955 MOT tests across 1,697 vehicles.

85.5%
Pass Rate
1,137
Miles/Year
45
Year Lifespan
1,697
On UK Roads

Top MOT Failure Points

Parking brake: efficiency below requirements 628
parking brake recording little or no effort 292
Brake pipe excessively corroded 141
Windscreen wiper does not clear the windscreen effectively 123
position lamp(s) not working 113
Full Bentley Mulsanne reliability report

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F429 JNX is a 1989 Bentley Mulsanne in Blue with a 6,750cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 72%.

Across all 1989 Bentley Mulsanne models, the average MOT pass rate is 77.6% with a typical mileage of 82,587 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 Bentley Mulsanne fails its MOT is parking brake: efficiency below requirements, accounting for 628 recorded failures. If you're considering buying F429 JNX, it's worth having these areas checked by a mechanic before committing.

The Bentley Mulsanne typically stays on UK roads for around 45 years. At 37 years old, this Bentley Mulsanne is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of F429 JNX?

You can check the full history of F429 JNX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was F429 JNX registered?

F429 JNX is a 1989 Bentley Mulsanne, first registered on 6 March 1989.

Is F429 JNX safe to buy?

The MOT history for F429 JNX shows 25 tests with a 72% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does F429 JNX 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 F429 JNX. 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.