EcoBoost 1.6 vs Sigma 1.4

Side-by-side reliability comparison

Higher reliability score
Sigma 1.4 ACCEPTABLE 76/100
+44 points over EcoBoost 1.6
0 / 100
AVOID EcoBoost 1.6 Ford
0 / 100
ACCEPTABLE Sigma 1.4 Ford

Specifications

EcoBoost 1.6
Sigma 1.4
Brand
Ford
Ford
Verdict
AVOID
ACCEPTABLE
Reliability
32
76
Years
2010--2017
2001--2012
Displacement
1596 cc
1388 cc
Layout
I4
I4
Type
Petrol Turbo
Petrol Na
Power
150--182 hp
75--96 hp
Known Issues
2
1
Total Risk Cost
€5,000--€13,000
€50--€200

Character

EcoBoost 1.6

"Coolant leak into cylinders. Overheating risk. Multiple lawsuits. Focus/Escape/C-Max. Replaced by 1.5 EB (also problematic)."

Sigma 1.4

"Fiesta/Fusion. Same Sigma family as 1.25. Timing chain. Thermostat. Coil pack. Slightly more power than 1.25 for minimal cost increase. Reliable city car."

Issues Comparison

EcoBoost 1.6 2

◆ CRITICAL
Coolant intrusion into cylinders €3,000--€8,000 50,000 km--100,000 km
◆ CRITICAL
Cylinder head cracking €2,000--€5,000 60,000 km--120,000 km

Sigma 1.4 1

○ MINOR
Coil pack failure €50--€200 40,000 km--80,000 km

Models

EcoBoost 1.6 2

Focus Mk3 (DYB) 2011--2014 Fiesta Mk7 (JA8) 2013--2017

Sigma 1.4 3

Focus Mk1 (DAW) 1998--2004 Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2012
Full EcoBoost 1.6 Report Full Sigma 1.4 Report