H4B (SCe 1.0) vs M134 1.1

Side-by-side reliability comparison

Higher reliability score
H4B (SCe 1.0) ACCEPTABLE 72/100
+4 points over M134 1.1
0 / 100
ACCEPTABLE H4B (SCe 1.0) Smart
0 / 100
ACCEPTABLE M134 1.1 Smart

Specifications

H4B (SCe 1.0)
M134 1.1
Brand
Smart
Smart
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
72
68
Years
2014--present
2004--2006
Displacement
999 cc
1124 cc
Layout
I3
I3
Type
Petrol Na
Petrol Na
Power
71 hp
75 hp
Known Issues
3
1
Total Risk Cost
€450--€1,150
€0--€0

Character

H4B (SCe 1.0)

"Renault H4B in a Smart box. Slow but honest. Simple 3-cyl, no turbo drama. Perfect city runabout."

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

H4B (SCe 1.0) 3

● MODERATE
Thermostat failure €200--€450 50,000 km--100,000 km
○ MINOR
Ignition coil failure €100--€300 40,000 km--80,000 km
○ MINOR
Engine mount vibration €150--€400 60,000 km--120,000 km

M134 1.1 1

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

Models

H4B (SCe 1.0) 3

ForFour 1.0 W453 2014--present Hatchback ForTwo 1.0 W453 2014--present Hatchback ForTwo Cabrio W453 2016--present Convertible

M134 1.1 1

ForFour W454 2004--2006
Full H4B (SCe 1.0) Report Full M134 1.1 Report