Automatic gearbox hesitation on higher mileage cars
Inspect · Drive through low speed gear changes and feel for hesitation or clunks

What the known faults on this Peugeot 508 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
The single priciest documented job on the 2011–2018 Peugeot 508 is automatic gearbox service or rebuild at £350–£3,000. Few cars need every repair listed here · treat £2,670–£13,100 as the full exposure if one arrived with all of them.
Automatic gearbox hesitation on higher mileage cars
Inspect · Drive through low speed gear changes and feel for hesitation or clunks
Distinct metallic rattling noise from the top of the engine on cold start due to timing chain stretch and tensioner wear.
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.
Boot lid and door seal water ingress causing damp carpets
Inspect · Check boot carpet and door sills for dampness or mould smell
1.6 and 2.0 HDi diesel particulate filter blocking on short runs
Inspect · Check for a DPF warning light and confirm regen completes on a run
UREA warning light illuminated and emissions fault message, caused by internal failure of the AdBlue tank pump.
Inspect · Turn the ignition on and check the instrument cluster for the UREA light or a countdown message restricting engine starts.
Front suspension bush and strut wear from motorway miles
Inspect · Listen for knocks over bumps and check for uneven tyre wear
Head-up display and multiplex electrical gremlins
Inspect · Check all dash warnings clear and test head-up display if fitted
Electronic parking brake fails to release or engage smoothly, often accompanied by a dashboard warning or a groaning noise from the rear wheels.
Inspect · Engage and disengage the parking brake switch multiple times while stationary. Listen for strained motor noises from the rear and ensure the dash light extinguishes promptly.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.