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AO04 RNU

2004 Audi A6

Silver Diesel 1871cc
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MOT Status

Valid
Expires1 May 2027
Tests36 (20 pass, 16 fail)
Pass rate55.6%

Mileage

207,068 mi
Last recorded207,068 miles
Recorded on24 Apr 2026
Typical for 2004 Audi A6108,053 mi

Significantly above average — investigate

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

RegistrationAO04 RNU
MakeAudi
ModelA6
Year2004
ColourSilver
Fuel typeDiesel
Engine1,871cc
View full Audi A6 reliability data Browse other 2004 Audi A6 registrations

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 16 fail
Pass 24 Apr 2026 207,068 miles

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Fail 23 Apr 2026 207,068 miles

Offside Front Position lamp not working (4.2.1 (a) (ii))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

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

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Pass 29 Apr 2025 201,796 miles

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

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

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

Fail 29 Apr 2025 201,796 miles

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

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

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

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

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

Pass 4 Apr 2024 196,279 miles

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

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

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

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

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

Fail 4 Apr 2024 196,279 miles

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

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

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

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

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

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

Pass 2 May 2023 189,443 miles

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

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Rear Brake disc worn, pitted or scored, but not seriously weakened Both rear discs pitted. (1.1.14 (a) (ii))

Fail 12 Apr 2023 189,434 miles

Front Windscreen damaged and affecting the driver's view of the road stone chip/cracked. (3.2 (a) (ii))

Nearside Front Body panel corroded and likely to cause injury (6.2.1 (a) (i))

Nearside Front Headlamp insecure (4.1.1 (c))

Offside Front Body panel corroded and likely to cause injury (6.2.1 (a) (i))

Nearside Front Lower Brake pipe connection leaking on a hydraulic braking system connection at brake calliper. (1.1.11 (b) (ii)) DANGEROUS

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

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Rear Brake disc worn, pitted or scored, but not seriously weakened NSR/OSR (1.1.14 (a) (ii))

Pass 13 Apr 2022 181,738 miles

NSF outer wing corroding slightly

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement Front arm inner bush splitting slightly (5.3.4 (a) (i))

Nearside Rear Tyre worn close to legal limit/worn on edge Central tread worn to approximately 2-3mm remaining and worn slightly out of shape across tyre (5.2.3 (e))

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement Front arm inner bush splitting slightly (5.3.4 (a) (i))

Offside Front Upper Suspension arm pin or bush worn but not resulting in excessive movement Rear arm inner bush splitting / de-bonding slightly (5.3.4 (a) (i))

Offside Front Windscreen damaged but not adversely affecting driver's view chip within swept area (3.2 (a) (i))

Offside Rear Brake pipe corroded, covered in grease or other material Rear section of front to rear brake pipe corroding slightly under plastic coating (close to axle flexi union (1.1.11 (c))

Offside Rear Tyre worn close to legal limit/worn on edge Central tread worn to approximately 3mm remaining and worn slightly out of shape across tyre (5.2.3 (e))

Fail 1 Apr 2022 181,736 miles

Nearside Front Position lamp not working (4.2.1 (a) (ii))

Nearside Front Suspension arm pin or bush excessively worn Rear most arm inner bush worn allowing movement under load (5.3.4 (a) (i))

Offside Front Sub-frame corroded to the extent that the rigidity of the assembly is significantly reduced Inner section of subframe corroded / holed (close to mounting point, marked with chalk (6.1.1 (c) (i))

NSF outer wing corroding slightly

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement Front arm inner bush splitting slightly (5.3.4 (a) (i))

Nearside Rear Tyre worn close to legal limit/worn on edge Central tread worn to approximately 2-3mm remaining and worn slightly out of shape across tyre (5.2.3 (e))

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement Front arm inner bush splitting slightly (5.3.4 (a) (i))

Offside Front Upper Suspension arm pin or bush worn but not resulting in excessive movement Rear arm inner bush splitting / de-bonding slightly (5.3.4 (a) (i))

Offside Front Windscreen damaged but not adversely affecting driver's view chip within swept area (3.2 (a) (i))

Offside Rear Brake pipe corroded, covered in grease or other material Rear section of front to rear brake pipe corroding slightly under plastic coating (close to axle flexi union (1.1.11 (c))

Offside Rear Tyre worn close to legal limit/worn on edge Central tread worn to approximately 3mm remaining and worn slightly out of shape across tyre (5.2.3 (e))

Pass 6 Apr 2021 172,023 miles

Rear Brake pipe corroded, covered in grease or other material BOTH rear brake pipes (from axle flexi to caliper flexi) corroding slightly (1.1.11 (c))

Windscreen damaged but not adversely affecting driver's view Small chip within centre of drivers swept view (3.2 (a) (i))

Fail 1 Apr 2021 172,019 miles

Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt Small clip slightly insecure (6.1.7 (g) (ii))

Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Lower Suspension arm ball joint excessively worn Rear arm outer ball joint (Marked (5.3.4 (a) (i))

Brake pad warning lamp illuminated and OSF wear sensor damaged slightly

Front Brake disc worn, pitted or scored, but not seriously weakened BOTH front discs lipped / corroded (1.1.14 (a) (ii))

Front Brake pad(s) wearing thin BOTH front inner pads appear to be wearing thin (1.1.13 (a) (ii))

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

Rear Brake pipe corroded, covered in grease or other material BOTH rear brake pipes (from axle flexi to caliper flexi) corroding slightly (1.1.11 (c))

Windscreen damaged but not adversely affecting driver's view Small chip within centre of drivers swept view (3.2 (a) (i))

Pass 31 Mar 2020 162,881 miles

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

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

Fail 24 Mar 2020 162,881 miles

Nearside Front Brake hose excessively damaged (1.1.12 (b) (ii))

Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

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

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

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

Pass 20 Mar 2019 151,545 miles

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

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

Nearside Rear 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))

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

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Fail 19 Mar 2019 151,542 miles

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

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

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

Nearside Rear 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))

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

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 4 Apr 2018 141,465 miles

Brake hose slightly deteriorated both front (3.6.B.4d)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

both rear tyres close to legal limit

rear brake discs in poor condition

Fail 3 Apr 2018 141,465 miles

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

Stop lamp remains on when the brakes are released all (1.2.1e)

Brake hose slightly deteriorated both front (3.6.B.4d)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

both rear tyres close to legal limit

rear brake discs in poor condition

Pass 22 Mar 2017 131,527 miles

Brake pipes covered in grease

Front brake flexis cracked

Rear brake discs corroded

Road springs corroded

Under trays fitted

Fail 22 Mar 2017 131,527 miles

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Rear Tyre has a tear, caused by separation or partial failure of its structure (4.1.D.1b)

Offside Headlamp aim too low (1.8)

Brake pipes covered in grease

Front brake flexis cracked

Nearside front inner tyre sidewall cracked

Nearside front tyre wearing on edge

Rear brake discs corroded

Road springs corroded

Under trays fitted

Pass 2 Mar 2016 125,453 miles
Fail 2 Mar 2016 125,453 miles

Nearside Headlamp excessively deteriorated so that the light output is severely reduced (1.7.5a)

Offside Headlamp excessively deteriorated so that the light output is severely reduced (1.7.5a)

Pass 23 Mar 2015 118,829 miles

Nearside Front Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Anti-roll bar linkage rubber mounting deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 19 Mar 2014 111,254 miles

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

Fail 19 Mar 2014 111,254 miles

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

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

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

Pass 20 Mar 2013 102,554 miles

rear brakes noisey

screen wash partly blocked

Fail 20 Mar 2013 102,554 miles

Rear fog lamp not working (1.3.2b)

rear brakes noisey

screen wash partly blocked

Pass 20 Mar 2012 91,302 miles
Fail 20 Mar 2012 91,302 miles

Nearside Rear Tyre has a lump, caused by separation or partial failure of its structure (4.1.D.1b)

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

Pass 17 Mar 2011 79,834 miles

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

Pass 24 Mar 2010 67,889 miles
Fail 23 Mar 2010 67,889 miles

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

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

Pass 18 Mar 2009 55,991 miles

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

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

n/s/r tyre on 3mm

o/s/f tyre on 2/3mm

Fail 17 Mar 2009 55,991 miles

Nearside Front brake disc excessively pitted (3.5.1h)

Offside Rear brake disc excessively pitted (3.5.1h)

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

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

n/s/r tyre on 3mm

o/s/f tyre on 2/3mm

Pass 25 Mar 2008 44,768 miles
Pass 27 Mar 2007 31,332 miles

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

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

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

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

How Reliable is the Audi A6?

Based on 2,724,792 MOT tests across 249,374 vehicles.

78.4%
Pass Rate
8,511
Miles/Year
31
Year Lifespan
249,374
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 72,312
constant velocity joint gaiter split 48,430
position lamp(s) not working 25,884
Brake hose excessively deteriorated 25,264
Track rod end ball joint has excessive play 24,578
Full Audi A6 reliability report

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AO04 RNU is a 2004 Audi A6 in Silver with a 1,871cc diesel engine. This vehicle has been through 36 MOT tests with a personal pass rate of 55.6%.

Across all 2004 Audi A6 models, the average MOT pass rate is 73.6% with a typical mileage of 108,053 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 A6 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 72,312 recorded failures. If you're considering buying AO04 RNU, it's worth having these areas checked by a mechanic before committing.

The Audi A6 typically stays on UK roads for around 31 years. At 22 years old, this Audi A6 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of AO04 RNU?

You can check the full history of AO04 RNU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was AO04 RNU registered?

AO04 RNU is a 2004 Audi A6, first registered on 30 March 2004.

Is AO04 RNU safe to buy?

The MOT history for AO04 RNU shows 36 tests with a 55.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does AO04 RNU 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 AO04 RNU. 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.