Renault Laguna 3
Weaknesses, engine ratings and buying advice
The Laguna III (2007–2015) is the most underrated mid-sizer on the used market. Renault improved hugely after the quality disaster of its predecessor, yet the bad reputation sticks — pushing prices to a level that's attractive for high-mileage drivers. Know the specific weak spots and screen carefully and you get a lot of car for the money; carefree it is not.
The consensus pick is the M9R (2.0 dCi): timing chain rather than belt, ample torque, not overworked in the Laguna. Important: choose a 2009-on car — from then Renault fitted reinforced big-end bearings, while earlier examples (2007–2008) showed measurable bearing wear. The K9K (1.5 dCi) is constantly at its limit in the heavy Laguna and only acceptable as a city car — frequent turbo failures from overload. Avoid the F4R (2.0 16V) paired with the automatic (sluggish, thirsty). The V6 variants V4Y-Laguna (3.5 petrol) and V9X-Laguna (3.0 dCi, coupé) are expensive enthusiast pieces with no market relevance.
Three themes define the Laguna III. First the electric parking brake — corroding cables, broken wiring or a failed actuator, the most common fault message. Second, on early diesels, the M9R big-end bearings. Third the 4Control rear-axle steering (GT/Initiale/coupé only): fascinating, but the most expensive item when it fails. Cars without 4Control are cheaper to keep.
Test drive: Test the parking brake on both sides — a warning light or uneven pull is a clear signal. On 4Control listen for knocking at the rear and a steering warning. Check the DPF differential-pressure hose and fault memory, and on the 1.5 dCi watch for turbo smoke. Prefer a 2009-on build.
Market 2026: Entry with high mileage $1,700–2,700, solid everyday cars $2,700–5,400, well-kept Grandtour $4,300–7,500, coupé/Initiale up to $9,500.
Insider pick: A Grandtour with the M9R from 2009 on, without 4Control and with documented maintenance. The estate has the widest supply and best value, the reinforced bearings remove the diesel's main risk — and without rear-axle steering the most expensive possible repair simply isn't there.
238 PS
Laguna · Benzin
V6 Coupé
Fun to Drive!235–241 PS
3.0L V6 dCi Diesel
8 weaknesses
Stay Away!Body Variants
The Renault Laguna 3 is available as Hatchback and Grandtour and Coupé — choose your body type for specific insurance data:
Generations
Engine Overview
The Renault Laguna 3 is available with 7 engine variants — from 61 to 241 hp.
Renault's most-produced diesel with over 20 years of production history — with exemplary maintenance (oil every 10,000 km, fuel filter every 8,000–10,000 km) over 300,000 km is achievable. Biggest weakness: connecting rod bearings spin from around 100,000–150,000 km, especially with extended oil change intervals. Common-rail injectors (Delphi) and EGR valve are further service items.
- !! Connecting Rod Bearing Wear from 150,000 km
The K9K connecting rod bearings are design-sensitive. With overly long oil change intervals or incorrect oil the bearing shells spin from around 100,000–150,000 km, resulting in total engine failure.
Symptoms: Knocking engine noise, oil pressure warning light, sudden engine stop - !! High-Pressure Pump (Delphi) Failure from 90,000 km
The Delphi high-pressure pump shows weaknesses from around 80,000 km. Metal wear from the pump contaminates the fuel circuit and damages the injectors and common rail — with consequential damage included.
Symptoms: Starting difficulties, sudden engine stall, 'injection fault' message - !! Timing belt failure — engine destruction from 120,000 km
The 1.5 dCi is an interference belt engine. With an overdue change interval or faulty fitting the belt snaps, valves and pistons collide — total loss. Early failures well before the scheduled interval are documented.
Symptoms: Sudden engine stall without warning, refusal to start, metallic noises shortly before failure
+ 5 more engine weaknesses + vehicle weaknesses
2.0-litre diesel developed jointly with Nissan with timing chain and good fundamental long-term robustness — with correct maintenance well over 300,000 km is possible. Weak point is the turbocharger boost pressure control on early examples (2005–2006). Timing chain can start to rattle from 200,000 km; oil quality is critical.
- !! Injector Removal Causes Cylinder Head Damage from 150,000 km
On the M9R the valve cover also serves as the camshaft bearing — both parts are machined together. A damaged valve cover during injector removal will inevitably destroy the cylinder head as well.
Symptoms: Damage occurs during improper repair; no prior warning - !! Coolant Loss / Seal Damage from 180,000 km
Faulty seals or cracks in the M9R engine block can lead to coolant loss. Overheating threatens if the problem is not detected early — especially at higher mileages.
Symptoms: Falling coolant level, overheating warning, white smoke from exhaust - !! Timing chain stretch from 200,000 km
The 2.0 dCi uses a timing chain that stretches at high mileage and wears the sprockets. If the chain jumps, valve damage follows. Replacement usually requires removing the engine and is correspondingly costly.
Symptoms: Rattle on cold start from the front timing chain area that fades once warm
+ 5 more engine weaknesses + vehicle weaknesses
Identical 3.0-litre V6 dCi as in the Espace IV, here in the Laguna III Coupe — technically complex V6 diesel with piezo injectors and timing chain. Repairs are involved and expensive; automatic gearbox oil must be changed by 80,000 km at the latest. Only buy with complete workshop history and after a diagnostic check.
- !! Cylinder liner drop / engine failure from 120,000 km
The cylinder liners of the V9X 3.0 V6 dCi drop under high thermal load. Coolant penetrates the engine and destroys lubrication — catastrophic engine failure is the almost inevitable consequence.
Symptoms: Heavy coolant loss, white smoke, overheating engine - !! Worn oil rings / oil consumption from 110,000 km
The oil scraper rings of the V9X deteriorate from around 100,000 km. The result is increased oil consumption; with further wear, cylinder wall scoring develops that cannot be repaired.
Symptoms: Noticeably increased oil consumption, blue smoke from the exhaust - !! Timing chain stretch from 130,000 km
With hard driving, the timing chains of the V9X V6 stretch from 100,000–150,000 km. Engine removal is mandatory for chain replacement — one of the most expensive repairs on the vehicle.
Symptoms: Rattling on cold start, check engine light, rough idle
+ 5 more engine weaknesses + vehicle weaknesses
The K4M in the Twingo RS — 1.6 litres, 16 valves, 133 hp — is a naturally aspirated engine with an honest character: it needs revs, but rewards every blip above 5,000 rpm with a rev-happy sound that turbocharged cars cannot reproduce. In the 980 kg Twingo RS it feels stronger than the numbers suggest. Timing belt every 120,000 km or 6 years — water pump always at the same time. Camshaft adjuster wears with excessive oil change intervals. Control arm rubber bushings are a known weak spot on the RS front axle.
- !! Timing Belt Failure from Exceeded Maintenance Interval from 120,000 km
The K4M uses a timing belt that can break if the change interval (every 5 years or 120,000 km) is exceeded. In the 16V interference engine design a belt failure inevitably causes valve damage and total cylinder head destruction.
Symptoms: Sudden engine stop, no restart possible, compression failure - !! Camshaft Phaser: Cold-Start Rattle from 80,000 km
The camshaft phaser on the K4M wears with excessively long oil change intervals or poor-quality oil. Typical: brief cold-start rattle that disappears once the engine reaches operating temperature. Repair costs around €350–850; combine with timing belt replacement.
Symptoms: Rattling for 3–5 seconds on cold start (especially below 0°C), engine then runs normally; increased consumption if the phaser runs permanently open - !! Timing Belt: Labour-Intensive Change Due to Tight Engine Bay from 120,000 km
The K4M engine in the Twingo RS has limited engine bay clearance, making the timing belt change labour-intensive. Independent garages from €460, Renault dealers up to €1,100. Always replace the water pump at the same time. Interval: 120,000 km or 6 years.
Symptoms: No warning before belt failure — check service history for documented replacement
+ 6 more engine weaknesses + vehicle weaknesses
A proven 2.0-litre 16-valve with good long-term stability but a few typical age-related issues. Replace the timing belt and cam phaser together when due; the phaser announces itself beforehand with a diesel-like rattle when warm. The belt-driven water pump is part of the mandatory scope. Crankcase ventilation and valve stem seals cause oil consumption with age, rising beyond 150,000 km. On well-kept examples 250,000 to 300,000 km are easily reached.
- !! Timing belt failure — engine damage from 120,000 km
The 2.0 16V is an interference engine. If the timing belt snaps from an overdue interval, all valves bend and in the worst case piston damage follows. On older cars often an economic write-off.
Symptoms: Sudden engine stall without warning, no longer starts, bent valves - !! Water pump in the timing belt drive from 120,000 km
The belt-driven water pump should be replaced together with the belt. If it fails separately, overheating threatens and in the extreme a belt failure with engine damage. Removing it again doubles the labour cost.
Symptoms: Coolant loss, rising temperature gauge, squealing from the timing belt area, acute overheating on failure - !! Oil Consumption from Coked Piston Rings from 150,000 km
Higher-output F4R engines tend to increased oil consumption at high mileages from coked and stuck piston rings. Regular short full-throttle runs help preventively.
Symptoms: Blue smoke under acceleration and on overrun, dropping oil level
+ 6 more engine weaknesses + vehicle weaknesses
A turbocharged version of the 2.0-litre F4R with a twin-scroll charger and 170–205 hp — the same robust cast-iron block, but thermally far more stressed. Port injection rather than direct injection, so no coking worries; torque arrives early and broad with no nervous turbo lag. As an interference engine it demands a timing-belt change including the water pump strictly every 120,000 km — the belt-driven pump in particular triggers most engine failures reported as “belt snap”. The turbo typically fails around 150,000 km, often via the oil feed and banjo seal; the cam phaser announces itself with a cold-start rattle, and ignition coils and lambda sensors are the classic electrical weak spots. The plastic thermostat housing turns brittle. With clean maintenance and short oil intervals 300,000 km are reachable; the block takes tuning to about 300 hp, beyond which the pistons become the limit.
- !! Turbocharger Failure from 150,000 km
The turbocharger on the F4Rt 2.0 Turbo is a well-known wear item. With irregular oil changes and short-trip use, turbo bearing oil ages quickly. Turbo failure at higher mileages is not uncommon.
Symptoms: Whistling from turbo area, blue smoke, power loss, oil in intercooler - !! Overheating Tendency from 100,000 km
The F4Rt 2.0 Turbo in Laguna and Espace tends to overheat in urban use. Thermostat, coolant pump and radiator are typical weak points that should be replaced as preventive maintenance.
Symptoms: Temperature gauge rising, overheating warning, coolant loss - !! Timing belt failure — engine damage from 120,000 km
The 2.0 16V turbo is an interference engine. If the timing belt snaps from an overdue interval, the valves bend — risk of total loss. Change around 120,000 km or five years, water pump always with it.
Symptoms: Sudden engine stall without warning, no longer starts, bent valves
+ 5 more engine weaknesses + vehicle weaknesses
The same VQ35DE-based 3.5-litre V6 from the Nissan partnership — a cultured naturally aspirated unit with 245 hp and a timing chain. Known issues are oil consumption via valve stem seals and piston rings, breakdown of the pre-catalyst substrate fed back into the cylinders (bore scoring), leaking oil gallery gaskets in the front cover and age-related ignition coil failures. The engine itself is long-lived, but rarity and vehicle complexity mean higher maintenance effort and thinning parts supply.
- !! Timing chain stretch from 120,000 km
The VQ35DE has dual timing chains that can stretch with extended oil change intervals and short-trip driving. Rattling on cold start is an early warning sign.
Symptoms: Rattling on cold start, chain tensioner noise, valve timing fault code - !! Pre-catalyst substrate cracking from 80,000 km
Burnt oil overheats the ceramic pre-catalyst substrate; it crumbles and is partly drawn back into the cylinders — scoring of the cylinder wall and consequential damage. Unlike the QR25DE there was no official recall for this.
Symptoms: Suddenly very high oil consumption, engine noises, potential engine damage - !! Oil gallery gaskets in the front cover leak from 150,000 km
The paper oil gallery gaskets in the timing cover fail and cause an internal oil leak with oil-pressure loss and no external trace. VVT faults and bearing damage can follow. Nissan later supplied metal-reinforced gaskets.
Symptoms: Fault code P0011/P0021 with limp mode, dropping oil level without visible leak, idle fluctuation
+ 7 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Rubber mounts and tie rods wear Porous rubber mounts on control arms and anti-roll bars as well as worn tie rod ends are common faults. On the front suspension design, wheel alignment must be reset when fitting the strut. Symptoms: Rattling over bumps, steering play, noises when turning in from 120,000 km | Medium | |
| Suspension springs breaking prematurely Front and rear springs can break prematurely, which is particularly complex to repair at the front axle: the control arm must be removed and wheel alignment reset afterwards. Symptoms: Cracking or clanking when compressing suspension, body sitting lower on one side from 130,000 km | Low |
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Explore more
Known Problems and Issues +
A total of 67 weaknesses have been documented for the Renault Laguna 3 (2007–2015) — 60 engine-related and 7 vehicle-related. One problem engine: V9X-Laguna (3.0L V6 dCi). Typical issues affect Suspension, Brakes, Electronics, Body.
Laguna (K9K, 2007–2015) — Be Careful: Connecting Rod Bearing Wear, High-Pressure Pump (Delphi) Failure, Timing belt failure — engine destruction. Power: 110 PS.
Laguna (M9R, 2007–2015) — Be Careful: Injector Removal Causes Cylinder Head Damage, Coolant Loss / Seal Damage, Timing chain stretch. Power: 150 PS.
Laguna (M9R, 2007–2015) — Be Careful: Injector Removal Causes Cylinder Head Damage, Coolant Loss / Seal Damage, Timing chain stretch. Power: 173–178 PS.
Laguna (M9R, 2007–2015) — Be Careful: Injector Removal Causes Cylinder Head Damage, Coolant Loss / Seal Damage, Timing chain stretch. Power: 131 PS.
Laguna (V9X-Laguna, 2008–2015) — Stay Away!: Cylinder liner drop / engine failure, Worn oil rings / oil consumption, Timing chain stretch. Power: 235–241 PS.
Laguna (F4Rt, 2005–2015) — Be Careful: Turbocharger Failure, Overheating Tendency, Timing belt failure — engine damage. Power: 204 PS.
Laguna (K4M, 2007–2015) — Be Careful: Timing Belt Failure from Exceeded Maintenance Interval, Camshaft Phaser: Cold-Start Rattle, Timing Belt: Labour-Intensive Change Due to Tight Engine Bay. Power: 110–111 PS.
Laguna (F4R, 2007–2015) — Be Careful: Timing belt failure — engine damage, Water pump in the timing belt drive, Oil Consumption from Coked Piston Rings. Power: 133–140 PS.
Laguna (F4Rt, 2007–2015) — Be Careful: Turbocharger Failure, Overheating Tendency, Timing belt failure — engine damage. Power: 170 PS.
Laguna (V4Y-Laguna, 2008–2015) — Be Careful: Timing chain stretch, Pre-catalyst substrate cracking, Oil gallery gaskets in the front cover leak. Power: 238 PS.
What to watch out for with the Renault Laguna? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Renault Laguna 3 have? +
What should I look for when buying a used Renault Laguna 3? +
Which engine is recommended? +
Which Renault Laguna 3 engine is the most fun? +
Is the Renault Laguna 3 worth buying used? +
What horsepower variants are available for the Renault Laguna 3? +
Last updated: February 2026 · All information without guarantee