Sigma 1.25 vs Duratec 2.0

Side-by-side reliability comparison

Higher reliability score
Duratec 2.0 BEST 88/100
+10 points over Sigma 1.25
0 / 100
BUY Sigma 1.25 Ford
0 / 100
BEST Duratec 2.0 Ford

Specifications

Sigma 1.25
Duratec 2.0
Brand
Ford
Ford
Verdict
BUY
BEST
Reliability
78
88
Years
1996--2017
2001--2018
Displacement
1242 cc
1999 cc
Layout
I4
I4
Type
Petrol Na
Petrol Na
Power
60--82 hp
130--145 hp
Known Issues
1
2
Total Risk Cost
€50--€150
€550--€1,150

Character

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."

Duratec 2.0

"Focus/Mondeo/Mazda3 shared. Mazda MZR co-developed. Simple, proven, nearly bulletproof. 300k+ km. The reliable Ford."

Issues Comparison

Sigma 1.25 1

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

Duratec 2.0 2

○ MINOR
Coolant system maintenance (age) €150--€350 100,000 km--180,000 km
○ MINOR
Timing chain (long life, minor at high mileage) €400--€800 150,000 km--∞

Models

Sigma 1.25 3

Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2017 Fiesta Mk7 (JA8) 2008--2017

Duratec 2.0 5

Mondeo Mk3 (B5Y) 2000--2007 Focus Mk1 (DAW) 1998--2004 Fiesta Mk6 (JD/JH) 2005--2008 Mondeo 2.0 Duratec B5Y 2000--2007 Sedan Mondeo 2.0 Duratec BA7 2007--2014 Sedan
Full Sigma 1.25 Report Full Duratec 2.0 Report