Explore common problems, estimated repair costs and practical checks for the 2018–2026 Peugeot 508. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Rattle for a second or two on cold start, rough idle, engine light, or a slightly hesitant feel under load.
Start the engine from cold and let it idle with the bonnet area quiet around you.
£1,400
Burning-oil smell after a drive, oily film around the top of the engine, or small drops appearing after parking.
After a normal drive, stop and let the engine idle for a moment, then step out and smell around the front of the car.
£450
Roof stops part-way, clicking from above, damp headlining, or water marks after rain.
Use the roof through its full normal movement and then drive over a slightly uneven road.
£600
It can be, but only if the individual car backs it up. For the 2018–2026 Peugeot 508, 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