Automatic gearbox judder and expensive internal repair risk
Shudder when moving off, hesitation in traffic, jolts between gears, or a thump when selecting drive or reverse.
Should I buy a 2015–2018 Audi A6 2.0 Diesel Automatic C7.5?
Considering a 2015–2018 Audi A6 2.0 Diesel Automatic C7.5? This guide explains the problems associated with this model and what to examine when viewing one. Condition, maintenance history and previous repairs matter, so judge the exact car on evidence rather than badge appeal.
At a glance
Generation: C7.5
We have detailed information drawn from more than 2 billion data points and an extensive list of potential faults for this vehicle. Below is a sample of three. Run a bespoke report by entering your vehicle details to see the full list.
This guide explains the model. Your registration tells the real story.
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Common Audi A6 (2015–2018) problems
EGR valve and EGR cooler faults
Flat acceleration, rough running, engine light, uneven idle, excess smoke, or unexplained coolant loss.
Coolant pump and thermostat faults
Coolant level dropping, heater taking too long to get warm, temperature gauge behaving oddly, or pink residue around the front of the engine.
Audi A6 buying questions
Is a 2015–2018 Audi A6 worth buying?
It can be, but only if the individual car backs it up. For the 2015–2018 Audi A6 2.0 Diesel Automatic C7.5, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
What common problems affect the Audi A6 (2015–2018)?
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