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NA56 KNZ

2006 Audi A4

Silver Diesel 1986cc
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MOT Status

Valid
Expires1 Dec 2026
Tests24 (16 pass, 8 fail)
Pass rate66.7%

Mileage

140,753 mi
Last recorded140,753 miles
Recorded on2 Dec 2025
Typical for 2006 Audi A495,954 mi

Significantly above average — investigate

4 checks still locked for this Audi
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Vehicle Details

RegistrationNA56 KNZ
MakeAudi
ModelA4
Year2006
ColourSilver
Fuel typeDiesel
Engine1,986cc

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

16 pass 8 fail
Pass 2 Dec 2025 140,753 miles

Both outer sills covered buy plastic trims.

Nearside Rear Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Nearside Rear Upper Suspension arm corroded but not seriously weakened Heavily corroded. (5.3.3 (b) (i))

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Offside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Offside Rear Suspension arm corroded but not seriously weakened Heavily corroded. (5.3.3 (b) (i))

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

Fail 16 Oct 2025 140,714 miles

Emissions unable to be completed due to excessive smoke (8.2.2.2 (e))

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

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

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) DANGEROUS

Offside Rear Tyre has ply or cords exposed can see cords though cracks (5.2.3 (d) (ii)) DANGEROUS

Nearside Front Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt heavily perished (2.1.3 (g) (i))

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

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

Offside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Subframe mounting prescribed area is corroded but not considered excessive corrosion within 30cm of a suspension mount and a subframe mounting point - not excessive (5.3.6 (a) (i))

Rear subframe is heavily corroded

Fail 1 Oct 2025 140,550 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

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

Nearside Rear Brake cable guide defective and affecting operation (1.1.15 (d))

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

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

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

Nearside Rear bump stop insecure

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

Offside Rear bump stop insecure

Pass 23 Sep 2024 131,871 miles

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

Offside Front Outer Drive shaft joint constant velocity boot severely deteriorated Insecure at small clamp (6.1.7 (g) (i))

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

Pass 3 Oct 2023 124,754 miles

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

Fail 3 Oct 2023 124,750 miles

Brakes imbalanced across an axle by more than 50% (1.2.1 (b) (ii)) DANGEROUS

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

Pass 6 Jun 2022 104,213 miles

Nearside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

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

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

Offside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Plastic sill covers and under trays fitted not allowing full inspection

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

Pass 19 May 2021 96,360 miles

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

body has corrosion.

Fail 19 May 2021 96,360 miles

Undertray likely to become detached (6.2.1 (a) (ii)) DANGEROUS

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

body has corrosion.

Fail 19 May 2021 96,350 miles

Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f))

Front Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))

Undertray likely to become detached (6.2.1 (a) (ii)) DANGEROUS

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

body has corrosion.

Pass 20 May 2020 90,447 miles

Brake fluid warning lamp defective (1.1.10 (f))

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

Offside Front Drive shaft joint worn, but not excessively (6.1.7 (c) (i))

body has corrosion.

wipers starting to smear the screen.

Fail 20 May 2020 90,446 miles

Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b))

Brake fluid warning lamp defective (1.1.10 (f))

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

Offside Front Drive shaft joint worn, but not excessively (6.1.7 (c) (i))

body has corrosion.

wipers starting to smear the screen.

Pass 24 Apr 2019 80,564 miles

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

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. 33% (1.2.1 (b) (i))

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

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

wipers starting to smear the screen.

Fail 15 Apr 2019 79,961 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Nearside Rear Tyre tread depth below requirements of 1.6mm and has cord showing (5.2.3 (e)) DANGEROUS

Undertray likely to become detached (6.2.1 (a) (ii)) DANGEROUS

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

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. 33% (1.2.1 (b) (i))

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

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

wipers starting to smear the screen.

Pass 20 Apr 2018 68,115 miles

Body has slight corrosion (6.1.B.2)

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

Pass 25 Apr 2017 56,601 miles
Fail 25 Apr 2017 56,592 miles

Windscreen wiper does not clear the windscreen effectively (8.2.2)

Pass 14 Sep 2015 44,169 miles
Pass 13 Sep 2014 39,537 miles
Pass 16 Sep 2013 36,246 miles
Pass 13 Sep 2012 32,473 miles
Pass 14 Sep 2011 27,606 miles

Nail in offside rear tyre

Pass 8 Oct 2010 23,020 miles

Offside Rear Brake pad(s) wearing thin (3.5.1g)

Pass 11 Oct 2009 18,676 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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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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NA56 KNZ is a 2006 Audi A4 in Silver with a 1,986cc diesel engine. This vehicle has been through 24 MOT tests with a personal pass rate of 66.7%.

Across all 2006 Audi A4 models, the average MOT pass rate is 76.9% with a typical mileage of 95,954 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 NA56 KNZ, 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 20 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 NA56 KNZ?

You can check the full history of NA56 KNZ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was NA56 KNZ registered?

NA56 KNZ is a 2006 Audi A4, first registered on 12 October 2006.

Is NA56 KNZ safe to buy?

The MOT history for NA56 KNZ shows 24 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does NA56 KNZ 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 NA56 KNZ. 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.