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GJ51 ONH

2001 Mazda B Series

Red Diesel 2499cc
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MOT Status

Valid
Expires10 Jun 2027
Tests31 (21 pass, 10 fail)
Pass rate67.7%

Mileage

134,194 mi
Last recorded134,194 miles
Recorded on11 Jun 2026
Typical for 2001 Mazda B Series99,900 mi

Above average mileage for this year

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

RegistrationGJ51 ONH
MakeMazda
ModelB Series
Year2001
ColourRed
Fuel typeDiesel
Engine2,499cc

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

21 pass 10 fail
Pass 11 Jun 2026 134,194 miles

Brake load sensing valve stiff (1.1.17 (c) (ii))

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

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

o emmisions detected

Pass 17 May 2025 131,930 miles

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

Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

corrosion evident on under body and components

Pass 23 May 2024 128,189 miles

Brake pipe corroded, covered in grease or other material Front and rear pipes (1.1.11 (c))

Fuel Pipe/s corroded

Integral body structure is corroded but structural rigidity is not significantly reduced Front body mountings and crossmember (6.1.1 (c) (i))

Nearside Front Lower Shock absorbers has a slightly worn bush (5.3.2 (c))

Offside Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Rear Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))

Rear Brake load sensing valve stiff (1.1.17 (c) (ii))

Pass 23 May 2023 125,021 miles

Brake pipe corroded, covered in grease or other material All brake pipes (1.1.11 (c))

Various components corroded underneath vehicle but ok at time of test

Fail 18 May 2023 125,021 miles

Battery insecure and likely to fall from carrier (4.13 (a) (ii))

Nearside Front Vehicle structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting Outrigger (6.2.2 (d) (i))

Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced Cab inner sill (7.1.1 (a) (i))

Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) DANGEROUS

Brake pipe corroded, covered in grease or other material All brake pipes (1.1.11 (c))

Various components corroded underneath vehicle but ok at time of test

Pass 14 Jun 2022 122,869 miles

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

general under body corrosion

Fail 13 Jun 2022 122,854 miles

Offside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

general under body corrosion

Pass 28 Jun 2021 121,753 miles

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

Fuel Pipe/s corroded

Nearside Front tyre valve perished

Offside Rear Suspension component mounting repair covered in underseal (5.3.6 (a) (i))

general under body corrosion

Fail 9 Jun 2021 121,683 miles

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength spring mount( chassis marked ) (5.3.6 (a) (i))

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

Fuel Pipe/s corroded

Nearside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Nearside Front Valve stem slightly damaged perished (5.2.3 (j))

general under body corrosion

Pass 26 Jun 2020 119,623 miles

Front Brake pipe corroded, covered in grease or other material both fronts and rears slight corroded (1.1.11 (c))

Nearside Front Valve stem slightly damaged (5.2.3 (j))

Offside Rear Suspension component mounting repair covered in underseal (5.3.6 (a) (i))

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

fuel pipes slight corroded

some front suspension components slight corroded

Fail 16 Jun 2020 119,582 miles

Offside Rear Inner Suspension spring mounting prescribed area excessively corroded significantly reducing structural strength chassis( along side the fuel tank ) (5.3.6 (a) (i))

Front Brake pipe corroded, covered in grease or other material both fronts and rears slight corroded (1.1.11 (c))

Nearside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement anti roll bar bushes deteriorated (5.3.4 (a) (i))

Nearside Front Valve stem slightly damaged (5.2.3 (j))

Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement anti roll bar bushes deteriorated (5.3.4 (a) (i))

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

fuel pipes slight corroded

some front suspension components slight corroded

Pass 6 Jun 2019 117,116 miles

under body corrosen

Anti-roll bar linkage pin or bush worn but not resulting in excessive movement both front anti roll bar bushes worn/deteriorated (5.3.4 (a) (i))

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

Drive shaft joint constant velocity boot severely deteriorated both front ouster boots deteriorated (6.1.7 (g) (i))

Fuel Pipe/s corroded

Leaf spring has slight wear in a shackle pin and/or bush both rear bushes (5.3.4 (a) (i))

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

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

both front tyres valves deteriorated

Pass 12 Jun 2018 114,432 miles

Nearside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Suspension component mounting repair covered in underseal top shock mount/chassis (5.3.6 (a) (i))

Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

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

Offside Rear wheel arch corroded

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

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

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

all rear leaf spring bushes deteriorated

Fail 1 Jun 2018 114,368 miles

Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength shock top mount/chassis (5.3.6 (a) (i))

Nearside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

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

Offside Rear buck floor/inner wheel arch corroded/holed

Offside Rear wheel arch corroded

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

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

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

all rear leaf spring bushes deteriorated

Pass 2 Jun 2017 111,715 miles

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

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Fail 31 May 2017 111,715 miles

Brake load sensing valve seized (3.6.E.3)

Nearside Rear Leaf spring fractured (2.4.B.1a)

Nearside Windscreen washer provides insufficient washer liquid (8.2.3)

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

Windscreen wiper does not clear the windscreen effectively (8.2.2)

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

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Pass 27 Jun 2016 103,880 miles
Fail 23 Jun 2016 103,878 miles

Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

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

Offside Front Tyre worn close to the legal limit @1.6mm (4.1.E.1)

Pass 25 Jun 2015 95,377 miles

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

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

Pass 26 Jun 2014 87,577 miles
Pass 28 Jun 2013 81,172 miles
Fail 27 Jun 2013 81,172 miles

Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

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

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

Various brake pipes becoming corroded

Various fuel lines becoming corroded

Windscreen has a crack but does not effect the driver view of the road

Pass 22 Jun 2012 74,774 miles
Pass 24 Jun 2011 68,659 miles
Pass 24 Jun 2010 62,491 miles
Pass 26 Jun 2009 56,504 miles
Fail 25 Jun 2009 56,504 miles

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

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)

front tyres cracking

Pass 28 Jun 2008 49,566 miles
Fail 19 Jun 2008 49,494 miles

Exhaust system not adequately supported (7.1.1)

Nearside Rear Leaf spring fractured (2.4.B.1a)

Offside Rear Leaf spring fractured (2.4.B.1a)

Pass 21 Jun 2007 44,381 miles
Pass 9 Sep 2006 39,119 miles

How Reliable is the Mazda B Series?

Based on 136,422 MOT tests across 9,870 vehicles.

68.9%
Pass Rate
5,432
Miles/Year
38
Year Lifespan
9,870
On UK Roads

Top MOT Failure Points

Brake pipe excessively corroded 9,638
fog lamp not working 5,286
Tyre tread depth below requirements of 1.6mm 4,589
Windscreen wiper does not clear the windscreen effectively 3,901
Registration plate lamp not working 2,281
Full Mazda B Series reliability report

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GJ51 ONH is a 2001 Mazda B Series in Red with a 2,499cc diesel engine. This vehicle has been through 31 MOT tests with a personal pass rate of 67.7%.

Across all 2001 Mazda B Series models, the average MOT pass rate is 67.9% with a typical mileage of 99,900 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 Mazda B Series fails its MOT is brake pipe excessively corroded, accounting for 9,638 recorded failures. If you're considering buying GJ51 ONH, it's worth having these areas checked by a mechanic before committing.

The Mazda B Series typically stays on UK roads for around 38 years. At 25 years old, this Mazda B Series is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of GJ51 ONH?

You can check the full history of GJ51 ONH by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GJ51 ONH registered?

GJ51 ONH is a 2001 Mazda B Series, first registered on 18 September 2001.

Is GJ51 ONH safe to buy?

The MOT history for GJ51 ONH shows 31 tests with a 67.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GJ51 ONH 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 GJ51 ONH. 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.