M135 1.3/1.5 vs M134 1.1

Side-by-side reliability comparison

Higher reliability score
M135 1.3/1.5 ACCEPTABLE 72/100
+4 points over M134 1.1
0 / 100
ACCEPTABLE M135 1.3/1.5 Smart
0 / 100
ACCEPTABLE M134 1.1 Smart

Specifications

M135 1.3/1.5
M134 1.1
Brand
Smart
Smart
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
72
68
Years
2014--2019
2004--2006
Displacement
1332 cc
1124 cc
Layout
I4
I3
Type
Petrol Na
Petrol Na
Power
71--109 hp
75 hp
Known Issues
2
1
Total Risk Cost
€300--€1,200
€0--€0

Character

M135 1.3/1.5

"ForTwo/ForFour 453. Mitsubishi 3A9 engine (Mirage/Space Star). NA 1.0 (71hp) and 1.3 (109hp). Brabus 1.5 turbo (177hp) rare. Simple, reliable for what it is. Timing chain. CVT on ForTwo can be jerky. Better than old M132."

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."

Issues Comparison

M135 1.3/1.5 2

● MODERATE
CVT jerkiness (ForTwo) €0--€500 40,000 km--100,000 km
● MODERATE
Timing chain tensioner wear €300--€700 100,000 km--180,000 km

M134 1.1 1

○ MINOR
No significant issues €0--€0 0 km--0 km

Models

M135 1.3/1.5 2

ForFour W454 2004--2006 ForFour W454 2005--2006

M134 1.1 1

ForFour W454 2004--2006
Full M135 1.3/1.5 Report Full M134 1.1 Report