Should I buy a 2016 Audi A4 Avant 2.0 Diesel Automatic B9?

Explore common problems, estimated repair costs and practical checks for the 2016 Audi A4 Avant 2.0 Diesel Automatic B9. 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

AdBlue system pump, tank and NOx sensor faults

Engine light, AdBlue warning, emissions fault message, or a restart countdown despite the tank being filled.

How to check

Start the car from cold, let it idle, then drive until fully warm and watch the dash for emissions warnings.

Estimated Repair Cost

£1,900

2Moderate Likelihood

DPF loading and failed regenerations

DPF or engine warning light, cooling fans running after shutdown, poor economy, reduced power or limp mode.

How to check

Drive the car until warm and hold a steady higher-speed run if possible.

Estimated Repair Cost

£1,000

3High Likelihood

Suspension spring fracture

Sudden knock, one corner sitting lower, metallic twang from the suspension or an MOT fail for a fractured spring.

How to check

Walk around the car on level ground, then drive slowly over speed humps and rough patches.

Estimated Repair Cost

£500

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 8.1% (179 failed / 2,199 tests)20,000–40,000 miles: 10.9% (2,077 failed / 19,048 tests)40,000–60,000 miles: 14.0% (3,977 failed / 28,413 tests)60,000–80,000 miles: 16.5% (4,532 failed / 27,391 tests)80,000–100,000 miles: 17.8% (3,670 failed / 20,580 tests)100,000–120,000 miles: 18.9% (2,325 failed / 12,282 tests)120,000–140,000 miles: 19.5% (1,276 failed / 6,539 tests)140,000–160,000 miles: 18.3% (567 failed / 3,091 tests)160,000–180,000 miles: 19.6% (270 failed / 1,381 tests)180,000–200,000 miles: 18.8% (107 failed / 568 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2016 Audi A4 Avant 2.0 Diesel Automatic B9

Audi A4 buying questions

Is a 2016 Audi A4 worth buying?

It can be, but only if the individual car backs it up. For the 2016 Audi A4 Avant 2.0 Diesel Automatic B9, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Audi A4 (2016)?

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 A4?

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