What reliability score does the Peugeot 508 get?

4.3 out of 10, scored from the 8 faults we document for this model and how severe each one is.

Is the 2011–2018 Peugeot 508 reliable?

Scored from 8 documented faults · reviewed by the VehicleFaults Research Team

Quick answer

4.3/ 10

Buy with caution

On our documented-fault scoring the Peugeot 508 rates 4.3 out of 10 · buy with caution. We hold 8 known faults for it and 3 are rated high severity, so the risk is real but contained. The weak points cluster around exhaust & emissions, electrical and suspension. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.

Verdict · Walk unless the history is spotless

What the score is built from

Critical: 0
High: 3
Medium: 4
Low: 1

Weak points cluster around exhaust & emissions, electrical, suspension, transmission.

Two faults free · full checklist for this exact Peugeot 508 for $9.

Check this car

The faults that decide it

Exhaust & emissionsHigh

1.6 and 2.0 HDi diesel particulate filter blocking on short runs

Typically appears: 70,000+ miles
What to inspect: Check for a DPF warning light and confirm regen completes on a run
Typical repair: DPF forced regen or replacement · £250–£1,600

Emissions system (BlueHDi models)High

UREA warning light illuminated and emissions fault message, caused by internal failure of the AdBlue tank pump.

Typically appears: 40,000-70,000 miles
What to inspect: Turn the ignition on and check the instrument cluster for the UREA light or a countdown message restricting engine starts.
Typical repair: AdBlue / NOx system repair · £350–£1,500

Engine (1.6 THP petrol)High

Distinct metallic rattling noise from the top of the engine on cold start due to timing chain stretch and tensioner wear.

Typically appears: 50,000-80,000 miles
What to inspect: Start the engine from completely cold with the bonnet open. Listen closely to the driver side of the engine bay for a sharp metallic clatter lasting 3 to 5 seconds.
Typical repair: Timing chain, tensioner & guides · £900–£2,400

ElectricalMedium

Head-up display and multiplex electrical gremlins

Typically appears: Age-related
What to inspect: Check all dash warnings clear and test head-up display if fitted
Typical repair: Electrical diagnosis & module repair · £120–£900

SuspensionMedium

Front suspension bush and strut wear from motorway miles

Typically appears: 80,000+ miles
What to inspect: Listen for knocks over bumps and check for uneven tyre wear
Typical repair: Suspension refresh (per axle) · £250–£1,100

Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.

Inspecting a Peugeot 508?

See two faults free, then get the full tickable checklist for this exact car · what to look at, what it costs and how serious it is. Full report $9.

Check this exact car

Peugeot 108 Peugeot 2008 Peugeot 208 Peugeot 3008 Peugeot 308 Peugeot 5008

Quick answer

What the score is built from

The faults that decide it

Inspecting a Peugeot 508?

Reliability of other Peugeot models