Peugeot 107 PN
Weaknesses, engine ratings and buying advice
The Peugeot 107 (2005–2014) isn't really a proper Peugeot — and that's its biggest advantage. Built in Kolín, Czech Republic, alongside the Toyota Aygo and Citroën C1, it packs Japanese engineering under the hood. The platform comes from Toyota, so does the engine, and that's exactly what makes the 107 one of the most reliable city cars of its era. Anyone after a cheap runabout that sips fuel and rarely sees the inside of a workshop pretty much ends up here.
Engine choice: The 1.0 VVT-i (1KR-FE) with 68 hp is the heart of the 107 — a Toyota three-cylinder with a timing chain instead of a belt. Frugal (5.0–5.5 l/100 km in the real world), keen to rev enough for town use, but it gets loud and sluggish above 130 km/h on the motorway. With proper oil changes the chain lasts 200,000 km and beyond. But: neglect the oil changes and the timing chain stretches from around 120,000 km. Rattling on cold start is the warning sign — once you hear it, things get serious, chain replacement runs €600–1,000. The 1.4 HDi (DV4TD) with 54 hp is the rare diesel — extremely economical (3.8–4.5 l/100 km real), but gutless and prone to turbo trouble at high mileage. Parts are pricier than on the petrol, and the higher purchase price only pays off for genuine high-mileage drivers.
Weak spots: The 1KR-FE water pump is the best-known weak point — it starts weeping from around 50,000 km and the coolant level drops slowly. Ignore it and you risk overheating and a blown head gasket. Replacement runs €250–400, best done preventively at 80,000 km. The ETG automated manual (optional from 2008) is a genuine buyer beware: a robotized manual gearbox that shifts automatically but does so jerkily and slowly. The clutch wears from 50,000 km, actuator motors fail, and the system drops into limp mode. Repair €800–1,500. If you need an automatic, buy a different car — with the 107 it's either the manual or grief. Water ingress in the footwells and boot is a recurring theme: clogged drain channels and hardened door seals, especially on cars over 8 years old. A musty smell inside is the warning sign. The tailgate gas struts tire out after 5–8 years — the tailgate won't stay up and drops down while you're loading. Cheap fix, €30–60 per pair.
Test-drive checklist: watch the cold start (rattle = stretched timing chain), check coolant level (water pump), test the ETG gearbox in town traffic (jerking when pulling away), feel the footwells for damp, open the tailgate and let go (does it stay up?), check the rear brake drums for seizing (release the handbrake, the wheel must spin freely), cycle through all the lights.
Buying advice: In 2026 the 107 is a bargain — well-kept examples from €2,000–4,000, and you can still find low-mileage cars under 80,000 km. Always go for the 1.0 petrol with the manual gearbox and steadfastly avoid the ETG. A full service history with oil changes every 10,000 km is a must. On cars over 120,000 km, listen for rattling on cold start. Anyone after a small city runabout with no surprises can't go far wrong with the 107 — Toyota engineering at a Peugeot price.
Engine Overview
The Peugeot 107 PN is available with 2 engine variants — from 54 to 69 hp.
PSA entry-level diesel (1.4L HDi, 50 kW) with common-rail injection and timing chain. Frugal and fundamentally reliable, but with a well-known KP35 turbo issue: the oil feed line to the turbocharger clogs with soot deposits in the oil, and the banjo bolt with its filter screen (037649) blocks up. Injectors seize due to copper seal wear. With regular oil changes and long-distance driving, this engine lasts well.
- !! Injectors seized in the cylinder head from 150,000 km
The injectors on the DV4 can seize in the injector bore due to carbon deposits and corrosion, making them impossible to remove without destruction. Forced removal risks damage to the cylinder head.
Symptoms: Increased fuel consumption, rough idle, black or white smoke from exhaust, engine management light, power loss under acceleration - !! Turbo failure from clogged oil feed from 130,000 km
The oil feed line to the KP35 turbo clogs with soot deposits. The banjo bolt with integrated mesh filter (PSA 037649) blocks and cuts off lubrication. The turbo overheats and bearing shells are destroyed.
Symptoms: Whining noise from turbo, dropping boost pressure, blue smoke from exhaust, engine warning light. - !! EGR valve soots up and jams from 100,000 km
The EGR valve on the DV4 soots up heavily from carbon deposits, particularly during frequent short-trip use. Adaptation after replacement requires PSA diagnostic software (PP2000).
Symptoms: Engine warning light, noticeable power loss, rough engine under part load, elevated emissions, rough idle, fault codes P0409/P0490/P1459
+ 5 more engine weaknesses + vehicle weaknesses
Toyota three-cylinder (1.0L, 50 kW) with timing chain — identical to the Toyota Aygo and Citroën C1. Extremely reliable and fuel-efficient with virtually no known weak spots. The chain drive is maintenance-free with proper oil changes. The only item to watch is valve clearance adjustment every 100,000 km (solid tappets). One of the most durable engines in its class — 300,000 km has been documented in practice.
- !! ECU failed — no-start and limp mode from 100,000 km
The engine control unit on the 1KR-FE in the Peugeot 107 fails more often than on other engines. Consequences include no-start, limp mode or running on only three cylinders. Repair of the original ECU is possible and saves up to 80% versus a new unit. New unit cost: 1,000–2,000 Euro.
Symptoms: Engine won't start or starts poorly, runs on three cylinders, warning lights on, vehicle enters limp mode - !! Timing chain stretch from 100,000 km from 100,000 km
The timing chain of the 1KR-FE tends to stretch from around 100,000 km. The chain tensioner can no longer compensate for the wear, leading to a ticking noise and shifted valve timing.
Symptoms: Ticking/rattling on cold start, rough idle, slight power loss - !! Weak clutch — all pre-2009 model years from 70,000 km
All pre-2009 models have a weak clutch. From the 2009 facelift, the reinforced clutch from the Yaris was fitted. The clutch needs regular adjustment via cable.
Symptoms: Clutch slips, pedal engages very high, frequent adjustment needed, squealing
+ 3 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| ETG semi-automatic: clutch wear The ETG semi-automatic wears its clutch significantly faster than the manual transmission, especially in heavy city traffic. Clutch packs can start slipping from as early as 50,000 km. Symptoms: Judder on pull-away and gear changes, rising clutch bite point, delayed gear engagement through to complete gear loss from 60,000 km | Medium |
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Known Problems and Issues +
A total of 25 weaknesses have been documented for the Peugeot 107 PN (2005–2014) — 14 engine-related and 11 vehicle-related. Typical issues affect Gearbox, Body, Cooling, Suspension.
107 (DV4, 2005–2008) — Be Careful: Injectors seized in the cylinder head, Turbo failure from clogged oil feed, EGR valve soots up and jams. Power: 54 PS.
107 (1KR-FE, 2005–2014) — Be Careful: ECU failed — no-start and limp mode, Timing chain stretch from 100,000 km, Weak clutch — all pre-2009 model years. Power: 68 PS.
What to watch out for with the Peugeot 107? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee