"Is the Grandis 2.4 i reliable, and what should you check?"
When buying a used Mitsubishi Grandis 2.4 i 2010 (1st generation), the most frequently mentioned issue is blue smoke when cold and oil consumption. Also, incomplete timing belt service - balance shaft belt often neglected is commonly reported.
Engine: 4G69
4G69 · 2.4 i · Used in this car from 2010-2011
Known engine issues
Unreliable beltsAs with all engines of this series, the main problem is unreliable belts.
Balance shaft belt failureThe balance shaft belt can unexpectedly break and get under the timing belt.
Timing belt breakage at high RPMAt high engine speeds, this results in timing belt breakage and valve bending.
+2 more issues on the engine detail page
Known issues and risks
Listed from most frequently reported, each with its source.
Blue smoke when cold and oil consumption
Often reported
Owner and forum reports indicate blue smoke especially when the engine is cold and abnormal oil consumption. Symptoms include rough running, spark plug fouling, and power loss in one cylinder.
Engine Internal
Incomplete timing belt service - balance shaft belt often neglected
Often reported
During timing belt replacement, the balance shaft belt is often not changed, which can lead to mechanical issues or abnormal noises.
Electrical issues in the ventilation and air conditioning circuit: faulty fan rheostat and relay problems (Omron relay near fuse box) can cause the system to stop working.
Hvac
Mitsubishi Grandis 2.4 i technical specs
Mitsubishi Grandis 2.4 i (2010): fuel use 9,9 l/100 km (urban 13,2 l/100 km · extra-urban 8 l/100 km); 0–100 in 11.7 s.
Fuel consumption
9,9 l/100 km (urban 13,2 l/100 km · extra-urban 8 l/100 km)
What to look for when buying a Mitsubishi Grandis 2.4 i?+
When buying a 2010 model 2.4 i, check service history, test drive, and engine/transmission warnings. Most reported issues: blue smoke when cold and oil consumption; incomplete timing belt service - balance shaft belt often neglected; ventilation/air conditioning faults (relay/rheostat).
What are the chronic problems of the Mitsubishi Grandis 2.4 i?+
Most reported issues: blue smoke when cold and oil consumption; incomplete timing belt service - balance shaft belt often neglected; ventilation/air conditioning faults (relay/rheostat).
Is the Mitsubishi Grandis 2.4 i reliable?+
Instead of a simple yes/no, it's better to weigh proven pros and cons. This page lists 3 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; source and target vehicles are matched by brand, fuel, engine, and generation. Topics with insufficient evidence are not shown.