Generations
A9 — A9 (2012-2021)
2012–2021
1.0 VTi, 1.0 PureTech Turbo, 1.2 PureTech, 1.4 e-HDi, 1.6 e-HDi, 1.5 BlueHDi
GTi — 208 GTi
2012–2019
1.6 THP
Top issues to watch for
The most serious Peugeot 208 problems ranked by severity. We track 11 known issues — here are the ones you need to know about first.
Dangerous
Wet timing belt failure (Mk2)
The 1.2 PureTech three-cylinder engine uses a timing belt that runs in an oil bath (wet belt system) instead of the traditional dry belt. This belt is critical for valve timing and drives the oil pump. The belt material degrades in the oil environment and can fail catastrophically without warning, causing immediate engine destruction. When the belt fails, pistons hit open valves causing bent valves, damaged pistons, and requiring complete engine rebuild. This design was abandoned by PSA due to the high failure rate.
What happens if ignoredBelt failure destroys the engine beyond economical repair within seconds. Pistons hit open valves causing bent valves, damaged pistons, and cracked cylinder head. Complete engine rebuild costs £8,000-£15,000. Many owners elect to scrap the car as repair costs exceed vehicle value. No warning is given before failure.
Independent garage
£800–£1,200
Specialist
£1,000–£1,500
Main dealer
£1,400–£2,000
Parts only
£150–£300
Dangerous
Timing chain tensioner failure (GTi)
The 1.6 THP engine (Prince engine co-developed with BMW) suffers from timing chain tensioner failure due to inadequate oil pressure to the tensioner mechanism. The hydraulic tensioner cannot maintain proper chain tension, causing the timing chain to rattle and potentially jump timing. This is a well-documented fault affecting both Peugeot and BMW variants of this engine. Chain jump causes valve-to-piston contact in this interference engine, resulting in catastrophic internal damage.
What happens if ignoredTensioner failure leads to timing chain jump causing bent valves, damaged pistons, and destroyed cylinder head. Complete engine rebuild required costing £8,000-£12,000. The engine will stop running immediately if the chain jumps more than one tooth. Chain jump can occur without warning during normal driving.
Independent garage
£800–£1,200
Specialist
£1,000–£1,500
Main dealer
£1,400–£1,800
Parts only
£200–£400
Major
Camshaft timing chain stretch
The 1.5 BlueHDi diesel engine uses a camshaft timing chain that experiences premature stretch due to high combustion loads and oil contamination from DPF regeneration cycles. Chain stretch causes timing drift leading to poor performance, increased emissions, and potential valve timing errors. Unlike the catastrophic wet belt failure on petrol engines, this issue typically develops gradually with warning signs.
What happens if ignoredContinued chain stretch leads to timing errors causing poor fuel economy, increased emissions, and potential MOT failure. Severe cases can cause valve timing errors leading to valve contact and internal engine damage. Repair involves timing chain replacement and engine timing reset.
Independent garage
£500–£800
Specialist
£600–£1,000
Main dealer
£800–£1,200
Parts only
£150–£300
Major
Brake vacuum pump failure (GTi)
The 1.6 THP engine uses a mechanical brake vacuum pump driven from the camshaft to provide brake servo assistance. This pump is prone to failure due to wear of internal diaphragms and seals. Pump failure results in loss of brake servo assistance, requiring significantly more pedal effort to achieve the same braking force. This creates a dangerous situation especially in emergency braking scenarios.
What happens if ignoredLoss of brake servo assistance makes the brakes much harder to operate, particularly dangerous in emergency situations. While the brakes still function, the increased pedal effort required may prevent effective stopping, especially for drivers with limited strength. This is a safety-critical fault requiring immediate repair.
Independent garage
£300–£500
Specialist
£400–£600
Main dealer
£500–£700
Parts only
£100–£200
7 more known issues tracked
Including wear items, electrical niggles, and generation-specific problems.
MOT failure hotspots
Based on DVSA MOT test data. These are the items where the Peugeot 208 fails at a significantly higher rate than the average car.
Coil springs broken
Suspension · 80-100k miles
MOT failure rate: 38x the fleet average
Sample: 192 tests
Emissions failure
Exhaust & Emissions · 150k+ miles
MOT failure rate: 31x the fleet average
Sample: 234 tests
Anti-roll bar links worn
Suspension · 80-100k miles
MOT failure rate: 28x the fleet average
Sample: 20,062 tests
Steering lock missing or not functioning
Steering · 100-120k miles
MOT failure rate: 23x the fleet average
Sample: 12,251 tests
Exhaust system damage
Bodywork · 20-40k miles
MOT failure rate: 19x the fleet average
Sample: 288,913 tests
Engine mounting/bracket severely damaged or det...
Bodywork · 20-40k miles
MOT failure rate: 19x the fleet average
Sample: 5,512 tests
Looking at a specific Peugeot 208?
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Related
- Peugeot 208 buyer's guide
- Peugeot 208 service history check
- Peugeot 208 service schedule & costs
- Peugeot 208 MOT failure rates
- Peugeot 208 price guide
- How to check Peugeot service history
- Buying a car without service history
- Peugeot 208 car check £7.49
- Free car faults check
- Free MOT failure rate check
- Free car check
Peugeot 208 reliability FAQs
What are the most common problems with the Peugeot 208?
The Peugeot 208 has 11 known issues across 4 severity levels. The most serious are: Wet timing belt failure (Mk2), Timing chain tensioner failure (GTi).
Is the Peugeot 208 reliable?
The Peugeot 208 has 2 dangerous and 2 major known issues. Most can be avoided with a thorough pre-purchase check and full service history.
How much does it cost to fix Peugeot 208 problems?
Repair costs range widely. The most significant issue (Wet timing belt failure (Mk2)) costs £800–£1,200 at an independent garage. Minor issues can be under £200. Always get a full inspection before buying.
Which Peugeot 208 generation is most reliable?
The A9 (2012–2021) has the fewest dangerous issues (0). However, condition and service history matter more than generation — a well-maintained earlier car can be more reliable than a neglected newer one.