Explore common problems, estimated repair costs and practical checks for the 2015–2018 Ford Focus 1.6 Diesel Manual Mk3.5. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Whining under load, weak acceleration, limp mode, smoke, or a sudden drop in power after motorway driving.
Accelerate firmly from low revs in third or fourth once the engine is warm.
£1,600
Engine warning light, limp mode, sluggish performance, frequent fan running, or oil level creeping up.
Drive at mixed speeds after warm-up and watch how it responds above 2,000rpm.
£900
Damp boot carpet, water in the spare-wheel well, condensation, or a musty smell after rain.
Open the boot after the drive and lift the floor panel and side trim edges by hand.
£300
It can be, but only if the individual car backs it up. For the 2015–2018 Ford Focus 1.6 Diesel Manual Mk3.5, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
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.
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.
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