Should I buy a 2020 Peugeot 508 1.5 Diesel Automatic?

Explore common problems, estimated repair costs and practical checks for the 2020 Peugeot 508 1.5 Diesel 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

Camshaft chain stretch or breakage

Rattle for a second or two on startup, engine warning light, rough running, loss of power, or sudden stop.

How to check

Start it from cold and let it idle for the first minute, then drive gently away.

Estimated Repair Cost

£2,200

2High Likelihood

AdBlue tank, pump or heater failure

UREA or emissions warning, engine light, restart countdown, or refusal to restart after the countdown expires.

How to check

Start the car, let it idle, then drive until fully warm and stop again with the engine still running.

Estimated Repair Cost

£1,500

3Moderate Likelihood

DPF loading and failed regenerations

Cooling fan running after switch-off, rising fuel use, reduced power, or a particulate filter warning.

How to check

Drive at steady road speed once warm, then stop and leave the engine idling briefly before switching off.

Estimated Repair Cost

£1,400

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 11.9% (21 failed / 177 tests)20,000–40,000 miles: 17.9% (171 failed / 955 tests)40,000–60,000 miles: 18.6% (179 failed / 963 tests)60,000–80,000 miles: 18.0% (98 failed / 544 tests)80,000–100,000 miles: 18.8% (35 failed / 186 tests)100,000–120,000 miles: 19.7% (13 failed / 66 tests)120,000–140,000 miles: 8.8% (3 failed / 34 tests)140,000–160,000 miles: 9.1% (1 failed / 11 tests)160,000–180,000 miles: 16.7% (1 failed / 6 tests)180,000–200,000 miles: 0.0% (0 failed / 2 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2020 Peugeot 508 1.5 Diesel Automatic

Peugeot 508 buying questions

Is a 2020 Peugeot 508 worth buying?

It can be, but only if the individual car backs it up. For the 2020 Peugeot 508 1.5 Diesel Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Peugeot 508 (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 Peugeot 508?

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