Should I buy a 2017 Audi A5 2.0 Petrol Manual B9?

Explore common problems, estimated repair costs and practical checks for the 2017 Audi A5 2.0 Petrol Manual B9. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1Moderate Likelihood

Auxiliary coolant pump overheating (fire-risk recall)

Coolant/engine warning lights (MIL), overheating warnings, burning smell after shutdown, cooling fan running unexpectedly, or coolant-related fault codes.

How to check

Check VIN for open campaigns.

Estimated Repair Cost

£250

2Moderate Likelihood

Direct-injection intake valve carbon build-up (needs walnut blasting)

Rough idle, hesitation, misfire codes, reduced performance, worse cold-start running; sometimes improved after a hard motorway run but returns.

How to check

Look for these signs: Rough idle, hesitation, misfire codes, reduced performance, worse cold-start running.

Estimated Repair Cost

£490

3Moderate Likelihood

Turbo wastegate rattle / underboost from wear

Metallic rattle/ticking on lift-off or around certain RPM, reduced boost/power, underboost fault codes, intermittent limp mode.

How to check

Confirm wastegate play and boost logs.

Estimated Repair Cost

£1,200

MOT Failure Rate

0%10%20%30%0–20,000 miles: 6.6% (150 failed / 2,258 tests)20,000–40,000 miles: 10.5% (790 failed / 7,504 tests)40,000–60,000 miles: 14.1% (847 failed / 6,019 tests)60,000–80,000 miles: 16.3% (480 failed / 2,941 tests)80,000–100,000 miles: 16.8% (170 failed / 1,010 tests)100,000–120,000 miles: 20.3% (69 failed / 340 tests)120,000–140,000 miles: 18.7% (17 failed / 91 tests)140,000–160,000 miles: 16.2% (6 failed / 37 tests)160,000–180,000 miles: 0.0% (0 failed / 6 tests)180,000–200,000 miles: 0.0% (0 failed / 4 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 Audi A5 2.0 Petrol Manual B9

Audi A5 buying questions

Is a 2017 Audi A5 worth buying?

It can be, but only if the individual car backs it up. For the 2017 Audi A5 2.0 Petrol Manual B9, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Audi A5 (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 A5?

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