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CX51 BYZ

2001 Audi A4

Silver Diesel 1896cc
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MOT Status

Valid
Expires8 Jun 2027
Tests31 (20 pass, 11 fail)
Pass rate64.5%

Mileage

154,475 mi
Last recorded154,475 miles
Recorded on4 Jun 2026
Typical for 2001 Audi A4109,458 mi

Significantly above average — investigate

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Vehicle Details

RegistrationCX51 BYZ
MakeAudi
ModelA4
Year2001
ColourSilver
Fuel typeDiesel
Engine1,896cc

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 11 fail
Pass 4 Jun 2026 154,475 miles
Fail 4 Jun 2026 154,475 miles

Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 9 Jun 2025 154,252 miles

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

Pass 4 Jun 2024 153,638 miles
Pass 23 Mar 2023 150,015 miles
Pass 17 Nov 2021 149,741 miles
Pass 28 Oct 2020 141,843 miles
Pass 25 Oct 2019 137,317 miles
Fail 21 Oct 2019 137,317 miles

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

Offside Front Brake hose excessively deteriorated (1.1.12 (b) (ii))

Offside Rear fog lamp not working (4.5.1 (a) (ii))

Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 2 Nov 2018 135,973 miles
Fail 2 Nov 2018 135,972 miles

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Nearside Rear Direction indicator incorrect colour (4.4.3 (a))

Offside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Rear Direction indicator incorrect colour (4.4.3 (a))

Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii))

Pass 2 Nov 2017 135,496 miles
Pass 26 Oct 2016 134,334 miles
Fail 26 Oct 2016 134,334 miles

Front Windscreen wiper not operating automatically when switched on (8.2.1b)

Nearside Rear Stop lamp not working (1.2.1b)

Pass 6 Aug 2015 133,830 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Fail 4 Aug 2015 133,830 miles

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

Nearside Rear Anti-roll bar linkage has excessive play in a ball joint (2.4.G.2)

Offside Front Headlamp not working on dipped beam (1.7.5a)

Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.2.C.1c)

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

Offside Rear Anti-roll bar linkage has excessive play in a ball joint (2.4.G.2)

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 30 Jul 2014 131,876 miles
Fail 21 Jul 2014 131,874 miles

Offside Front Headlamp aim too low and too far to the left. (1.8)

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

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

Rear Tyre(s) incorrect because different size tyres are fitted on the same axle. (4.1.A.1a)

Rear brake disc in such a condition that it is seriously weakened (3.5.1i)

Windscreen washer provides insufficient washer liquid (8.2.3)

brake disc in such a condition that it is seriously weakened (3.5.1i)

front brake excessively fluctuating (3.7.B.3)

rear brake excessively fluctuating (3.7.B.3)

Pass 17 May 2013 124,591 miles
Fail 17 May 2013 124,591 miles

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

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Pass 16 May 2012 119,777 miles
Fail 15 May 2012 119,777 miles

Nearside Headlamp not working on dipped beam (1.7.5a)

Offside Rear Tie bar/rod has excessive play in a pin/bush (2.4.G.2)

Fail 13 May 2011 111,940 miles

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

Pass 13 May 2011 111,940 miles
Pass 13 May 2010 100,384 miles
Pass 7 May 2009 87,368 miles
Pass 16 May 2008 74,195 miles
Fail 16 May 2008 74,195 miles

Nearside Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

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

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

Offside Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

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

Pass 18 Oct 2007 67,529 miles
Pass 10 Oct 2006 54,868 miles
Fail 3 Oct 2006 54,445 miles

Exhaust emits an excessive level of metered smoke for a turbo charged engine (7.4.B.3b)

Fuel system component leaking (7.2.3)

How Reliable is the Audi A4?

Based on 7,096,957 MOT tests across 571,801 vehicles.

76.1%
Pass Rate
7,591
Miles/Year
31
Year Lifespan
571,801
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 231,238
Suspension arm has excessive play in a ball joint 97,478
Brake hose excessively deteriorated 97,376
Windscreen wiper does not clear the windscreen effectively 84,223
Registration plate lamp not working 78,638
Full Audi A4 reliability report

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CX51 BYZ is a 2001 Audi A4 in Silver with a 1,896cc diesel engine. This vehicle has been through 31 MOT tests with a personal pass rate of 64.5%.

Across all 2001 Audi A4 models, the average MOT pass rate is 71.6% with a typical mileage of 109,458 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 Audi A4 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 231,238 recorded failures. If you're considering buying CX51 BYZ, it's worth having these areas checked by a mechanic before committing.

The Audi A4 typically stays on UK roads for around 31 years. At 25 years old, this Audi A4 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of CX51 BYZ?

You can check the full history of CX51 BYZ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CX51 BYZ registered?

CX51 BYZ is a 2001 Audi A4, first registered on 1 September 2001.

Is CX51 BYZ safe to buy?

The MOT history for CX51 BYZ shows 31 tests with a 64.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does CX51 BYZ 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 CX51 BYZ. 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.