What are the most common Peugeot 508 problems?

According to Au7o's analysis of 65+ owner reports, the 2018-2018 Peugeot 508 has 1 documented issues. The most frequently reported are: Diesel DPF Regeneration Issues. Of these, 1 is rated critical and should be addressed promptly.

Is the Peugeot 508 reliable?

The 2018-2018 Peugeot 508 has 1 known issues documented across 65+ owner reports. 1 issue is rated critical: Diesel DPF Regeneration Issues. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Peugeot 508 problems?

Repair costs for known Peugeot 508 issues range from $300 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Diesel DPF Regeneration Issues, typically costs $300-$2,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

2018 Peugeot 508 Problems: 1 Issues Every Owner Should Know

2018 model year · 65+ owner reports · Updated April 2026

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According to Au7o's analysis of 65+ owner reports, the 2018 Peugeot 508 has 1 documented known issues, with 1 rated critical. The most serious is Diesel DPF Regeneration Issues ($300-$2,500 repair). Across all issues, repair costs range from $300 to $2,500. DIY maintenance guides at au7o.io.

All 1 Known Issues

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Community Reported

65 owners

On the 2011-2026 Peugeot 508, the 508 diesel suffers from DPF regeneration failures, particularly on first-generation models with the additive DPF system. Frequent short journeys prevent the regeneration cycle from completing, leading to progressive soot buildup.

This issue also affects: Audi Q7, Citroën Berlingo, Citroën C4

Common Symptoms

DPF warning indicator
Power loss
Limp mode
Excessive exhaust particulates

How to Fix

Perform forced DPF regeneration via diagnostic tool. Top up the Eolys additive system. For severely blocked units, professional off-car DPF cleaning is recommended before resorting to replacement.

Typical repair cost:$300 - $2,500

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65+ owners have reported this issue

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Community Reported

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2018 Peugeot 508 Problems: 1 Issues Every Owner Should Know

All 1 Known Issues

2011-2026 Peugeot 508: Diesel DPF Regeneration Issues#

Common Symptoms

How to Fix

Research This Issue

Other Peugeot Models

Frequently Asked Questions

What are the most common Peugeot 508 problems?

Is the Peugeot 508 reliable?

How much does it cost to fix common Peugeot 508 problems?

What is the 2011-2026 Peugeot 508 Diesel DPF Regeneration Issues?