Sigma 1.4 vs Duratec 2.5

Side-by-side reliability comparison

Higher reliability score
Duratec 2.5 BUY 82/100
+6 points over Sigma 1.4
0 / 100
ACCEPTABLE Sigma 1.4 Ford
0 / 100
BUY Duratec 2.5 Ford

Specifications

Sigma 1.4
Duratec 2.5
Brand
Ford
Ford
Verdict
ACCEPTABLE
BUY
Reliability
76
82
Years
2001--2012
2005--2014
Displacement
1388 cc
2521 cc
Layout
I4
I5
Type
Petrol Na
Petrol Na
Power
75--96 hp
166--172 hp
Known Issues
1
1
Total Risk Cost
€50--€200
€150--€350

Character

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."

Duratec 2.5

"Focus ST (pre-EB)/Mondeo/S-Max. Volvo-derived 5-cyl. Smooth, adequate torque. Timing belt service needed."

Issues Comparison

Sigma 1.4 1

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

Duratec 2.5 1

○ MINOR
Coolant system (same family as 2.0) €150--€350 100,000 km--180,000 km

Models

Sigma 1.4 3

Focus Mk1 (DAW) 1998--2004 Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2012

Duratec 2.5 4

Mondeo Mk4 (BA7) 2007--2010 Focus Mk2 (DA3) 2005--2011 Kuga Mk1 2008--2012 Mondeo Mk3 (B5Y) 2000--2007
Full Sigma 1.4 Report Full Duratec 2.5 Report