Should I buy a 2017–2020 Citroën C3 1.2 Petrol Automatic?

Explore common problems, estimated repair costs and practical checks for the 2017–2020 Citroën C3 1.2 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

1Moderate Likelihood

Wet timing belt degradation leading to oil starvation

Rattle on startup, oil-pressure warning, engine fault light, rough running, or a sudden STOP warning.

How to check

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

Estimated Repair Cost

£1,200

2Moderate Likelihood

Excessive engine oil consumption

Frequent top-ups, low-oil warning, blue smoke after idling, or a rising smell of burnt oil.

How to check

After a fully warm drive, pause briefly and then pull away again while watching the mirrors.

Estimated Repair Cost

£1,800

3Moderate Likelihood

Automatic gearbox hesitation or jerky low-speed shifts

Delayed take-up, lurching in traffic, or a thump as it changes gear at low speed.

How to check

Creep in traffic pace, stop and start a few times, then pull away gently and briskly.

Estimated Repair Cost

£900

MOT Failure Rate

0%10%20%30%40%0–20,000 miles: 7.0% (2,303 failed / 32,726 tests)20,000–40,000 miles: 13.0% (9,666 failed / 74,293 tests)40,000–60,000 miles: 19.6% (8,667 failed / 44,180 tests)60,000–80,000 miles: 26.9% (4,407 failed / 16,404 tests)80,000–100,000 miles: 31.3% (1,217 failed / 3,892 tests)100,000–120,000 miles: 34.8% (263 failed / 755 tests)120,000–140,000 miles: 26.8% (26 failed / 97 tests)140,000–160,000 miles: 24.2% (8 failed / 33 tests)160,000–180,000 miles: 29.2% (7 failed / 24 tests)180,000–200,000 miles: 27.3% (3 failed / 11 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017–2020 Citroën C3 1.2 Petrol Automatic

Citroën C3 buying questions

Is a 2017–2020 Citroën C3 worth buying?

It can be, but only if the individual car backs it up. For the 2017–2020 Citroën C3 1.2 Petrol Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Citroën C3 (2017–2020)?

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 Citroën C3?

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