M134 1.1 vs M160/M160E
Side-by-side reliability comparison
Higher reliability score
M134 1.1
ACCEPTABLE
68/100
+28 points over M160/M160E
0
/ 100
ACCEPTABLE
M134 1.1
Smart
0
/ 100
AVOID
M160/M160E
Smart
Specifications
M134 1.1
M160/M160E
Brand
Smart
Smart
Verdict
ACCEPTABLE
AVOID
Reliability
68
40
Years
2004--2006
1998--2007
Displacement
1124 cc
599 cc
Layout
I3
I3
Type
Petrol Na
Petrol Turbo
Power
75 hp
45--61 hp
Known Issues
1
5
Total Risk Cost
€0--€0
€2,200--€5,700
Character
M134 1.1
"ForFour 454 (W454). Mitsubishi 3-cyl. Short production run. Simple. No known major issues — too few on road. Parts from Mitsubishi Colt."
M160/M160E
"Original Smart engine. Tiny, turbocharged, temperamental. Clutch actuator = wallet killer. Fun when it works."
Issues Comparison
M134 1.1 1
○ MINOR
No significant issues
M160/M160E 5
◆ CRITICAL
Clutch actuator failure
◆ CRITICAL
Head gasket failure
▲ HIGH
Overheating (rear-mount cooling)
▲ HIGH
Turbo failure
● MODERATE
ECU / immobilizer fault