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Peugeot 108 Problems & Known Issues

The most common Peugeot 108 problems ranked by severity — what to watch for, what it costs to fix, and what happens if you ignore it.

Generations

MK1 — First Generation
2014–2022
1.0 VTi, 1.0 VTi 68, 1.2 VTi 82, 1.2 PureTech

Top issues to watch for

The most serious Peugeot 108 problems ranked by severity. We track 5 known issues — here are the ones you need to know about first.

Major
Emissions system deterioration
MK12014–202240k–100k miles
The 108 shows elevated emissions failures at The small capacity engines run at high specific outputs which places stress on emissions components including lambda sensors, catalytic converters, and EGR systems where fitted.
What happens if ignoredEmissions failures cause immediate MOT failure and prevent road use until repaired. Lambda sensor replacement is typically straightforward but catalytic converter failure requires expensive replacement that may exceed the vehicle's value on older examples.
Independent garage
£150–£800
Specialist
£200–£900
Main dealer
£300–£1,200
Parts only
£80–£600
Major
Electronic stability control system faults
MK110002014–20220k–100k miles
The 1.0-litre variants show ESC malfunction indicator lamp failures at This typically indicates wheel speed sensor faults, ESC control unit problems, or wiring issues affecting the electronic stability control system. The fault pattern suggests a design or component reliability issue specific to the 1.0-litre model configuration.
What happens if ignoredESC system faults cause immediate MOT failure as the system is mandatory safety equipment. The vehicle loses stability assistance during emergency manoeuvres. Repair typically requires diagnostic scanning to identify the specific failed component - wheel speed sensors, control unit, or wiring harness.
Independent garage
£150–£500
Specialist
£200–£600
Main dealer
£300–£800
Parts only
£50–£400
Minor
Suspension bush and joint wear
MK12014–202220k–80k miles
The 108 shows unusually high rates of suspension bush and joint wear, particularly on the front lower control arms and anti-roll bar drop links. MOT data shows this model fails at 111.4 times the national fleet average for suspension component wear, with failures appearing as early as 20,000 miles. The lightweight construction and small wheel size may contribute to higher stress loads on suspension components. This is the most statistically significant fault pattern for this model.
What happens if ignoredWorn suspension bushes cause poor handling, increased tyre wear, and potential MOT failure. Replacement typically involves multiple components as bushes rarely fail in isolation. The car remains safe to drive but handling deteriorates progressively.
Independent garage
£200–£400
Specialist
£250–£500
Main dealer
£350–£650
Parts only
£80–£200
Minor
Exhaust system corrosion and mounting failure
MK12014–20220k–80k miles
The 108 demonstrates premature exhaust system failure at 36.6 times the national fleet average, with failures occurring unusually early - some within the first 20,000 miles. The exhaust system appears prone to corrosion and mounting point failure, likely due to the small engine bay creating higher operating temperatures and limited airflow around exhaust components.
What happens if ignoredExhaust leaks can allow fumes into the cabin and will cause MOT failure. A completely detached exhaust creates a safety hazard and noise nuisance. Full system replacement is often more cost-effective than patching on this model.
Independent garage
£200–£450
Specialist
£250–£500
Main dealer
£400–£700
Parts only
£150–£350

1 more known issues tracked

Including wear items, electrical niggles, and generation-specific problems. Check a specific car to see which issues apply to its age and mileage.

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MOT failure hotspots

Based on DVSA MOT test data. These are the items where the Peugeot 108 fails at a significantly higher rate than the average car.

Rear registration plate lamp or light source mi...
Lights & Electrics · 20-40k miles
MOT failure rate: 35x the fleet average
Sample: 154,260 tests
Coil springs broken
Brakes · 20-40k miles
MOT failure rate: 32x the fleet average
Sample: 19,531 tests
Wheel distorted or worn to the extent the wheel...
Wheels · 20-40k miles
MOT failure rate: 20x the fleet average
Sample: 37,920 tests
Anti-roll bar links worn
Suspension · 20-40k miles
MOT failure rate: 18x the fleet average
Sample: 155,332 tests
Stop lamp with a multiple light source up to 1/...
Lights & Electrics · 0-20k miles
MOT failure rate: 13x the fleet average
Sample: 109,494 tests
Transmission joint, belt or chain worn
Bodywork · 20-40k miles
MOT failure rate: 13x the fleet average
Sample: 90,217 tests

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Related

Peugeot 108 reliability FAQs

What are the most common problems with the Peugeot 108?

The Peugeot 108 has 5 known issues across 2 severity levels. The most common problems relate to Emissions system deterioration and Electronic stability control system faults.

Is the Peugeot 108 reliable?

The Peugeot 108 has 0 dangerous and 2 major known issues. No dangerous issues are tracked, which is a positive sign.

How much does it cost to fix Peugeot 108 problems?

Repair costs range widely. The most significant issue (Emissions system deterioration) costs £150–£800 at an independent garage. Minor issues can be under £200. Always get a full inspection before buying.