Should I buy a 2017 Audi A6 2.0 Diesel Manual C7.5?

Explore common problems, estimated repair costs and practical checks for the 2017 Audi A6 2.0 Diesel Manual C7.5. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1High Likelihood

Manual gearbox, clutch and dual-mass flywheel failure

Judder pulling away, vibration through the pedals, notchy shifts, or a rumbling/drone that changes with clutch use.

How to check

Pull away several times from cold and again once fully warm, then shift gently between first and second in traffic-speed driving.

Estimated Repair Cost

£1,600

2Moderate Likelihood

DPF loading and failed regenerations

DPF or engine warning lights, cooling fans running after shutdown, rising fuel use, reduced power or repeated requests for a longer drive.

How to check

Drive until warm, then hold a steady 40-60 mph where possible and note how the engine responds before and after stopping.

Estimated Repair Cost

£1,800

3High Likelihood

Water ingress into footwells from drains, roof or seals

Musty smell, damp carpets, condensation, wet headlining edges, soaked boot or footwell carpet, or random electrical glitches after rain.

How to check

After the drive, open the doors and lift the edge of the floor mats, then use the climate controls and note any stale smell or heavy window misting.

Estimated Repair Cost

£800

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 6.7% (108 failed / 1,622 tests)20,000–40,000 miles: 9.5% (1,118 failed / 11,806 tests)40,000–60,000 miles: 10.9% (1,572 failed / 14,363 tests)60,000–80,000 miles: 12.9% (1,500 failed / 11,610 tests)80,000–100,000 miles: 13.6% (943 failed / 6,932 tests)100,000–120,000 miles: 14.0% (490 failed / 3,488 tests)120,000–140,000 miles: 15.6% (263 failed / 1,688 tests)140,000–160,000 miles: 14.6% (117 failed / 802 tests)160,000–180,000 miles: 13.3% (49 failed / 368 tests)180,000–200,000 miles: 12.8% (25 failed / 195 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 Audi A6 2.0 Diesel Manual C7.5

Audi A6 buying questions

Is a 2017 Audi A6 worth buying?

It can be, but only if the individual car backs it up. For the 2017 Audi A6 2.0 Diesel Manual C7.5, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Audi A6 (2017)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying an Audi A6?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually