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MOT History from tests of petrol AUDI A6s year 2018

Review the list of common AUDI A6 failures below or to perform a specific mot history check on your AUDI then use our popular KnowYourCar service

mot history
Pass percent:94.67%
(The average a petrol AUDI A6 year 2018 passes without issue)
Based on:4,575 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment69
Registration plate issues28
Windscreen wiper does not clear the windscreen effectively10
Windscreen washer not working 10
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))8
Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))8
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))8
Nearside Front Shock absorbers has a serious fluid leak4
Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Nearside Front Road wheel fixing missing (5.2.1 (a) (i))3
Nearside Front Service brake excessively fluctuating (1.2.1 (e))3
Nearside Rear Road wheel fixing missing (5.2.1 (a) (i))3
Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))3
Offside Front Service brake excessively fluctuating (1.2.1 (e))2
Nearside Front Road wheel fractured (5.2.2 (a))2
Service brake efficiency below requirements (1.2.2 (a) (i))2
Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))2
Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d))2
Offside Side repeater with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii))2
Front Brake disc significantly and obviously worn (1.1.14 (a) (i))2
Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))2
Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))2
Front Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i))2
Nearside Side repeater not working (4.4.1 (a) (ii))2
Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))2
Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))1
Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction big cross hanging from the mirror tied on so unable to remove (3.1 (a) (ii))1
Central Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1
Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Exhaust catalytic converter missing where one was fitted as standard decat down pipes fitted (8.2.1.1 (a))1
Exhaust carbon monoxide content at idle exceeds default limits max limit 0.30% vehicle reading 0.71% (8.2.1.2 (b))1
Exhaust carbon monoxide content after 2nd fast idle exceeds default limits max limit 0.20% vehicle reading 0.81% (8.2.1.2 (b))1
Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))1
Nearside Front Road wheel more than one fixing missing (5.2.1 (a) (ii))1
Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Front Daytime running lamp not working (4.2.1 (a) (ii))1
Offside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii))1
Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))1
Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii))1
Rear brake disc in such a condition that it is seriously weakened1
Offside Rear Brake hose bulging under pressure (1.1.12 (d))1
Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Offside Front Brake hose excessively twisted (1.1.12 (b) (ii))1
Nearside Front Headlamp aim projected beam image is obviously incorrect main beam to high (4.1.2 (c))1
Brakes imbalanced across an axle1
Front Headlamp cleaning device for LED or HID headlamp inoperative inopp (4.1.6 (a) (ii))1
Central Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Nearside Front Service brake excessively fluctuating 28% (1.2.1 (e))1
Nearside Rear Seat belt buckle not functioning as intended seat belt will not click into buckle (7.1.2 (d))1
Offside Front Shock absorbers has a serious fluid leak1
Nearside Side repeater light intensity significantly reduced (4.4.3 (a))1
Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i))1
Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))1
Front Headlamp cleaning device for LED or HID headlamp inoperative not working (4.1.6 (a) (ii))1
Offside Rear Shock absorbers has a serious fluid leak1
Offside Front Obligatory mirror missing glass (3.3 (a))1
Nearside Front Obligatory mirror does not provide a view to the rear (3.3 (c))1
Brake performance not tested (1.2.1 (g))1
Offside Obligatory mirror missing (3.3 (a))1
Parking brake efficiency below requirements (1.4.2 (a) (i))1
Offside Front Obligatory mirror does not provide a view to the rear (3.3 (c))1
Nearside Headlamp aim projected beam image is obviously incorrect brakes to the right (4.1.2 (c))1
Offside Headlamp aim projected beam image is obviously incorrect brakes to the right (4.1.2 (c))1
Offside Side repeater not working (4.4.1 (a) (ii))1
Nearside Front Headlamp has a product on the lens which changes emitted colour to other than white or yellow (4.1.4 (b))1
Offside Front Headlamp has a product on the lens which changes emitted colour to other than white or yellow (4.1.4 (b))1
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Rear fog lamp not working (4.5.1 (a) (ii))1
Rear Body mounting fixings missing cross member (6.2.2 (c) (i))1
Offside Front Headlamp lens seriously defective (4.1.1 (b) (ii))1
Front Headlamp aim not tested (4.1.2 (b))1
Front Windscreen in an unacceptable condition (3.2 (c) (i))1
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))1
Offside Front Direction indicator lens defective such that the emitted light is adversely affected Repeater (4.4.1 (b) (ii))1
Nearside Rear Service brake excessively fluctuating (1.2.1 (e))1
Offside Rear Service brake excessively fluctuating (1.2.1 (e))1
Offside Side repeater light intensity significantly reduced (4.4.3 (a))1
Nearside Side repeater not working mirror type (4.4.1 (a) (ii))1
Nearside Rear Road wheel fractured Inner part of rim (5.2.2 (a))1
Nearside Front Direction indicator with a multiple light source more than 1/2 not functioning indicator repeater (4.4.1 (a) (ii))1
Nearside Front Direction indicator lens defective such that the emitted light is adversely affected indicator repeater (4.4.1 (b) (ii))1
Windscreen wiper missing (3.4 (a))1
Front Service brake excessively fluctuating (1.2.1 (e))1
Nearside Rear Body component damaged and likely to cause injury side skirt (6.2.1 (a) (i))1
Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))1
Nearside Front Side repeater not working (4.4.1 (a) (ii))1
Offside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i))1
Nearside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i))1
Rear Service brake excessively fluctuating (1.2.1 (e))1
Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Central Front Undertray insecure (8.1.1 (b) (i))1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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