The Peugeot 308 is a family hatchback and SW estate competing directly with the Ford Focus and VW Golf. The MK2 (T9, 2013–2021) and MK3 (P51, 2021–present) are the most common used examples. The MK2 in particular has some significant fault patterns worth knowing.
Quick Facts — Peugeot 308
Common Engines
1.2 PureTech, 1.4 VTi, 1.6 THP, 2.0 THP, 1.6 HDi, 2.0 HDi, Hybrid
6 Most Common Peugeot 308 Problems
These are the faults most frequently seen on the Peugeot 308 by UK garages — ranked by how commonly they occur and what they cost to fix.
The 1.2 PureTech in the MK2 308 shares the same timing chain tensioner weakness as across the PSA Group range. A cold-start rattle must be investigated immediately.
💷 Typical repair cost: £600–£1,800
The 1.6 and 2.0 HDi diesel 308s develop DPF blockages frequently — especially on short journeys. One of the most common faults seen on this model in UK garages.
💷 Typical repair cost: £100–£1,200
The MK3 308's 8-speed EAT automatic can develop hesitation and judder. Software updates from Peugeot help in many cases.
💷 Typical repair cost: £0–£2,000
The 1.6 THP turbocharged petrol engine has a known water pump weakness. Overheating without warning is the symptom. The pump is driven off the timing belt — replacement is recommended as part of the belt service.
💷 Typical repair cost: £400–£800
The 1.6 THP turbo can fail on higher-mileage examples — oil starvation is often the cause. Loss of power and blue/white smoke are the symptoms.
💷 Typical repair cost: £500–£1,500
The MK2 and MK3 digital instrument cluster can develop pixel failures or go blank on some examples.
💷 Typical repair cost: £200–£600
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Peugeot 308 — MOT Tips
PureTech timing chain rattle is the priority check. DPF warning light is an automatic fail on diesel models. Check the 1.6 THP coolant temperature carefully — water pump failure causes sudden overheating.
Engine management light on before your MOT? It's an automatic fail. Run a
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Peugeot 308 Tyres
Most Peugeot 308 models run 205/55 R16 or 225/45 R17 or 235/40 R18 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.
Summary
The 308 is a well-designed family hatchback with a strong reputation in recent years. The 1.2 PureTech timing chain issue is critical to check. The 1.6 THP water pump failure is an important known fault on petrol turbo models.
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