Renault Laguna II (BG) — Reliability
Reliability Summary
Best engine
F9Q (2005-2012, Euro 4/5) — 77/100
ACCEPTABLE
Worst engine
F9Q (1997-2005, Euro 3) — 53/100
CAUTION
Average reliability
65/100
Engine Comparison
| Engine | Reliability Score | Verdict |
|---|---|---|
|
F9Q (2005-2012, Euro 4/5)
F9Q 1.9 dCi (2005-2012) |
77/100 | ACCEPTABLE |
|
F9Q (1997-2005, Euro 3)
F9Q 1.9 dTi / dCi (1997-2005) |
53/100 | CAUTION |
Engines in this model
ACCEPTABLE
77
F9Q (2005-2012, Euro 4/5)
F9Q 1.9 dCi (2005-2012)
Later 1.9 dCi (Bosch CP3 common rail, Euro 4 and 5) in the Megane II/III, Scenic II/III, Laguna II a...
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CAUTION
53
F9Q (1997-2005, Euro 3)
F9Q 1.9 dTi / dCi (1997-2005)
Early 1.9 diesel in the Megane, Scenic, Laguna, Clio, Trafic, Volvo S40/V40 and Mitsubishi Carisma: ...
View details →Known Issues Across All Engines
| Issue | Engine | Severity |
|---|---|---|
| Injector or injector-seal leak | F9Q (2005-2012, Euro 4/5) | high |
| Timing belt (replace on schedule) | F9Q (2005-2012, Euro 4/5) | moderate |
| Turbocharger faults (to 2008) | F9Q (2005-2012, Euro 4/5) | moderate |
| EGR valve clogging | F9Q (2005-2012, Euro 4/5) | moderate |
| Connecting-rod bearing wear - engine failure | F9Q (1997-2005, Euro 3) | critical |
| Turbocharger failure | F9Q (1997-2005, Euro 3) | high |
| EGR valve clogging | F9Q (1997-2005, Euro 3) | moderate |
| Injector faults | F9Q (1997-2005, Euro 3) | moderate |
| Timing belt (interference engine) | F9Q (1997-2005, Euro 3) | moderate |
| Air-mass meter failure | F9Q (1997-2005, Euro 3) | minor |
FAQ
Is the Renault Laguna reliable?
The Renault Laguna has 2 engine options with reliability scores ranging from 53/100 (CAUTION) to 77/100 (ACCEPTABLE). Average reliability: 65/100.
Which Renault Laguna engine is most reliable?
The F9Q (2005-2012, Euro 4/5) is the most reliable engine in the Renault Laguna, scoring 77/100 (ACCEPTABLE).
What problems does the Renault Laguna have?
Across all engine variants, the Renault Laguna has 10 known issues. The most common are related to Injector or injector-seal leak, Timing belt (replace on schedule), Turbocharger faults (to 2008).