Common Audi A6 S Line Black Ed 40 Tdi Sa Problems, Faults, and Repair Costs
Every known Audi A6 S Line Black Ed 40 Tdi Sa MOT issue, ranked by how common it is and what it costs to fix. Based on 3,397 real MOT tests across 3 model years.
Segment: premium | Fuel: Diesel
92%
Audi A6 S Line Black Ed 40 Tdi Sa pass rate
90%
Audi average
82%
National average
The Audi A6 S Line Black Ed 40 Tdi Sa has an average MOT pass rate of 92%, which is 2 points above the Audi average and 10 points above the national average. The AUDI A6 S LINE BLACK ED 40 TDI SA has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Check Your Audi A6 S Line Black Ed 40 Tdi Sa's MOT History
Enter your reg plate to see the specific issues found on your car, plus a health score and running cost estimate.
Most Common Audi A6 S Line Black Ed 40 Tdi Sa MOT Issues
Ranked by how likely they are to affect your Audi A6 S Line Black Ed 40 Tdi Sa, with typical repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Exhaust & Emissions
High likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Suspension
Moderate likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Tyres
Moderate likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Steering
Moderate likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Body & Structure
Lower likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
Is your specific car affected?
Enter your reg plate to check your car's individual MOT history, health score, and flag any issues.
Premium check (£4.99) includes stolen, finance, and write-off verification.
Audi A6 S Line Black Ed 40 Tdi Sa Reliability by Year
MOT pass rate for each model year, based on real test data
Most Reliable Year
2020
94% pass rate from 1,433 tests
View 2020 Audi A6 S Line Black Ed 40 Tdi Sa detailsLeast Reliable Year
2021
91% pass rate from 1,318 tests
View 2021 Audi A6 S Line Black Ed 40 Tdi Sa detailsAudi A6 S Line Black Ed 40 Tdi Sa Running Costs
Want to know the full annual running costs for the Audi A6 S Line Black Ed 40 Tdi Sa? Including fuel, tax, insurance, and predicted repairs based on MOT history.
View Audi A6 S Line Black Ed 40 Tdi Sa Running CostsSave Money on Your Audi A6 S Line Black Ed 40 Tdi Sa
Handpicked deals to cut the cost of owning your Audi A6 S Line Black Ed 40 Tdi Sa
Compare 100+ car insurers
Drivers save up to £504 per year
Get quotes from all major UK insurers in one search. Takes under 60 seconds.
Compare quotes →Free, no-obligation quotes
🚗Breakdown cover from £4/month
Cover from under £4/month
RAC, AA, and Green Flag compared. Roadside rescue in 30 minutes, on average.
Compare cover →24/7 roadside assistance included
✅Warranty: stop unexpected bills
Plans from just £15/month
Engine, gearbox, and electrical faults covered. One claim could save you £1,000+.
Get a quote →Cover starts immediately, no waiting period
🔧Book a cheaper MOT near you
Save up to 50% vs main dealers
Compare prices at local garages. Online booking, same-day slots available.
Find garages →Book online in 2 minutes
Audi A6 S Line Black Ed 40 Tdi Sa FAQ
What are the most common Audi A6 S Line Black Ed 40 Tdi Sa problems?
The most common Audi A6 S Line Black Ed 40 Tdi Sa MOT problems are brakes, lights, exhaust & emissions issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 3,397 real tests.
Is the Audi A6 S Line Black Ed 40 Tdi Sa reliable?
The Audi A6 S Line Black Ed 40 Tdi Sa has an average MOT pass rate of 92%, which is 10 points above the national average of 82%. This is considered good reliability.
Which year Audi A6 S Line Black Ed 40 Tdi Sa is most reliable?
The 2020 Audi A6 S Line Black Ed 40 Tdi Sa is the most reliable year with a 94% MOT pass rate. Avoid the 2021 model year if reliability is your priority, as it has the lowest pass rate at 91%.
How much does it cost to fix common Audi A6 S Line Black Ed 40 Tdi Sa faults?
Repair costs vary by issue. Brake work on a Audi A6 S Line Black Ed 40 Tdi Sa typically costs £80-£450, suspension repairs cost £150-£600, and exhaust/emissions fixes cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Audi A6 S Line Black Ed 40 Tdi Sa
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Audi Models
Common problems pages for other Audi models