Coolant loss leading to head-gasket or cylinder-wall failure
Dropping coolant level, rough cold start, misfire under load, white exhaust smoke, or repeated top-ups with no clear leak.
Should I buy a 2015–2018 Ford Focus 1.5 Petrol Automatic Mk3.5?
Considering a 2015–2018 Ford Focus 1.5 Petrol Automatic Mk3.5? 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: Mk3.5
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 Ford Focus (2015–2018) problems
Water pump or thermostat housing coolant leaks
Coolant level slowly drops, dried coolant marks around the front of the engine, or a hot smell after driving.
Boot-well water ingress from rear vents or body seals
Damp boot carpet, water in the spare-wheel well, misted windows, musty smell, or wet rear footwell after rain.
Ford Focus buying questions
Is a 2015–2018 Ford Focus worth buying?
It can be, but only if the individual car backs it up. For the 2015–2018 Ford Focus 1.5 Petrol Automatic Mk3.5, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
What common problems affect the Ford Focus (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 a Ford Focus?
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