Should I buy a 2017–2021 Ford Fiesta 1.0 Petrol Automatic?

Explore common problems, estimated repair costs and practical checks for the 2017–2021 Ford Fiesta 1.0 Petrol Automatic. 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

Wet timing belt degradation and oil starvation

Oil pressure warning, rattly startup, rough running, or a sudden loss of power after previous low-oil-pressure warnings.

How to check

Start it from cold, let it idle, then drive gently until fully warm.

Estimated Repair Cost

£1,400

2High Likelihood

Automatic gearbox shudder and poor take-up

Shunting in traffic, delayed drive engagement, flare in revs, or a grabby pull-away from rest.

How to check

Pull away gently several times, creep in traffic pace, then accelerate smoothly from low speed.

Estimated Repair Cost

£1,200

3Moderate Likelihood

Intake carbon build-up and rough running

Lumpy idle, occasional misfire, hesitant throttle response or a car that feels less crisp than expected.

How to check

Let it idle from cold and warm, then use light throttle at town speeds.

Estimated Repair Cost

£600

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 12.1% (76 failed / 630 tests)20,000–40,000 miles: 12.8% (38 failed / 296 tests)40,000–60,000 miles: 8.7% (4 failed / 46 tests)60,000–80,000 miles: 20.0% (2 failed / 10 tests)80,000–100,000 miles: 0.0% (0 failed / 1 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017–2021 Ford Fiesta 1.0 Petrol Automatic

Ford Fiesta buying questions

Is a 2017–2021 Ford Fiesta worth buying?

It can be, but only if the individual car backs it up. For the 2017–2021 Ford Fiesta 1.0 Petrol Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Ford Fiesta (2017–2021)?

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