Duratec 2.5 vs Sigma 1.25

Side-by-side reliability comparison

Higher reliability score
Duratec 2.5 BUY 82/100
+4 points over Sigma 1.25
0 / 100
BUY Duratec 2.5 Ford
0 / 100
BUY Sigma 1.25 Ford

Specifications

Duratec 2.5
Sigma 1.25
Brand
Ford
Ford
Verdict
BUY
BUY
Reliability
82
78
Years
2005--2014
1996--2017
Displacement
2521 cc
1242 cc
Layout
I5
I4
Type
Petrol Na
Petrol Na
Power
166--172 hp
60--82 hp
Known Issues
1
1
Total Risk Cost
€150--€350
€50--€150

Character

Duratec 2.5

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

Sigma 1.25

"Fiesta/Ka. Simple Yamaha co-developed engine. Timing chain (good). Reliable. Low power. Thermostat housing. Coil pack. Perfect first car/city car engine."

Issues Comparison

Duratec 2.5 1

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

Sigma 1.25 1

○ MINOR
Thermostat housing crack €50--€150 60,000 km--120,000 km

Models

Duratec 2.5 4

Mondeo Mk4 (BA7) 2007--2010 Focus Mk2 (DA3) 2005--2011 Kuga Mk1 2008--2012 Mondeo Mk3 (B5Y) 2000--2007

Sigma 1.25 3

Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2017 Fiesta Mk7 (JA8) 2008--2017
Full Duratec 2.5 Report Full Sigma 1.25 Report