4D56 vs 4A91/4A92
Side-by-side reliability comparison
Higher reliability score
4A91/4A92
ACCEPTABLE
76/100
+11 points over 4D56
0
/ 100
CAUTION
4D56
Mitsubishi
0
/ 100
ACCEPTABLE
4A91/4A92
Mitsubishi
Specifications
4D56
4A91/4A92
Brand
Mitsubishi
Mitsubishi
Verdict
CAUTION
ACCEPTABLE
Reliability
65
76
Years
1986--2016
2004--2020
Displacement
2477 cc
1590 cc
Layout
I4
I4
Type
Diesel
Petrol Na
Power
99--178 hp
109--117 hp
Known Issues
1
1
Total Risk Cost
€1,000--€3,000
€300--€700
Character
4D56
"L200/Pajero. Legendary tough diesel but known crankshaft balance shaft bearing failure. Timing belt (interference). Injector issues on common rail versions. Old-school tough with a known critical flaw."
4A91/4A92
"Colt/ASX/Lancer. MIVEC variable valve timing. Chain driven. Simple and reliable. Oil consumption at high mileage. Timing chain tensioner check at 150k+ km. Adequate performance."
Issues Comparison
4D56 1
◆ CRITICAL
Balance shaft bearing failure
4A91/4A92 1
● MODERATE
Timing chain tensioner wear