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637 BYC

2004 Audi A4

Grey Diesel 1896cc
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MOT Status

Valid
Expires26 Oct 2026
Tests22 (19 pass, 3 fail)
Pass rate86.4%

Mileage

196,734 mi
Last recorded196,734 miles
Recorded on1 Oct 2025
Typical for 2004 Audi A498,966 mi

Significantly above average — investigate

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

Registration637 BYC
MakeAudi
ModelA4
Year2004
ColourGrey
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

19 pass 3 fail
Pass 1 Oct 2025 196,734 miles

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

Nearside Rear lamp lense damaged

Offside Front Upper Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

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

Rear subframe corroded

Pass 7 Oct 2024 193,011 miles

Battery insecure but not likely to fall from carrier (4.13 (a) (i))

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

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 23 Oct 2023 188,854 miles

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

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

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

Offside Track rod end ball joint has slight play (2.1.3 (b) (i))

Pass 11 Oct 2022 184,260 miles
Pass 20 Oct 2021 179,874 miles
Pass 22 Oct 2020 177,417 miles

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

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

Pass 14 Oct 2019 174,270 miles
Pass 18 Oct 2018 169,106 miles
Fail 18 Oct 2018 169,106 miles

Offside Headlamp aim too high (4.1.2 (a))

Pass 25 Oct 2017 164,208 miles

Offside Rear Upper Suspension arm corroded but not seriously weakened (2.4.G.1)

Pass 10 Oct 2016 153,168 miles
Pass 16 Oct 2015 153,607 miles
Fail 14 Oct 2015 153,536 miles

Offside Rear coil spring broken (2.4.C.1a)

Pass 16 Oct 2014 146,556 miles
Pass 24 Oct 2013 140,000 miles

Nearside Rear Direction indicator slightly discoloured (1.4.A.2f)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

Pass 15 Oct 2012 131,930 miles
Pass 21 Oct 2011 123,152 miles

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

smallcrack lower offside windscreen

Pass 27 Oct 2010 114,576 miles

Nearside Rear Direction indicator slightly discoloured (1.4.A.2f)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

Pass 11 Sep 2009 104,890 miles
Fail 11 Sep 2009 104,890 miles

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

Offside Registration plate lamp not working (1.1.5c)

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

Pass 5 Sep 2008 95,587 miles
Pass 23 Apr 2007 76,106 miles

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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637 BYC is a 2004 Audi A4 in Grey with a 1,896cc diesel engine. This vehicle has been through 22 MOT tests with a personal pass rate of 86.4%.

Across all 2004 Audi A4 models, the average MOT pass rate is 74.7% with a typical mileage of 98,966 miles. This particular vehicle has performed better than the average for its year.

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 637 BYC, 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 22 years old, this Audi A4 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of 637 BYC?

You can check the full history of 637 BYC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 637 BYC registered?

637 BYC is a 2004 Audi A4, first registered on 11 May 2004.

Is 637 BYC safe to buy?

The MOT history for 637 BYC shows 22 tests with a 86.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 637 BYC 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 637 BYC. 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.