Should I buy a 2018–2021 Ford Fiesta 1.5 Petrol Manual?

Explore common problems, estimated repair costs and practical checks for the 2018–2021 Ford Fiesta 1.5 Petrol Manual. 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

Hot-engine coolant hose buzz from heater connection

A warm car develops a buzz or drone around 1,600-2,000rpm, often heard near the passenger-side footwell.

How to check

Warm the car fully, then hold a steady 1,600-2,000rpm in a low gear or while stationary after the drive.

Estimated Repair Cost

£180

2Moderate Likelihood

Boot water ingress and wet spare-wheel well

Damp boot carpet, condensation on the glass, musty smell, or water sitting under the boot floor.

How to check

Open the boot, lift the floor panel and use the car normally after rain or a wash.

Estimated Repair Cost

£450

3Low Likelihood

Battery drain or odd electrics after damp intrusion

Slow cranking, random warning messages, intermittent electrical glitches, or repeated flat-battery episodes after wet weather.

How to check

Start the car from cold and use normal cabin electrics during and after the drive.

Estimated Repair Cost

£250

MOT Failure Rate

0%10%20%30%40%0–20,000 miles: 9.7% (1,190 failed / 12,254 tests)20,000–40,000 miles: 12.9% (3,176 failed / 24,624 tests)40,000–60,000 miles: 16.2% (1,937 failed / 11,958 tests)60,000–80,000 miles: 18.8% (584 failed / 3,104 tests)80,000–100,000 miles: 21.9% (138 failed / 630 tests)100,000–120,000 miles: 24.2% (32 failed / 132 tests)120,000–140,000 miles: 19.2% (5 failed / 26 tests)140,000–160,000 miles: 25.0% (2 failed / 8 tests)160,000–180,000 miles: 33.3% (1 failed / 3 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2018–2021 Ford Fiesta 1.5 Petrol Manual

Ford Fiesta buying questions

Is a 2018–2021 Ford Fiesta worth buying?

It can be, but only if the individual car backs it up. For the 2018–2021 Ford Fiesta 1.5 Petrol Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Ford Fiesta (2018–2021)?

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 Fiesta?

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