EcoBoost 1.5 vs Sigma 1.25

Side-by-side reliability comparison

Higher reliability score
Sigma 1.25 BUY 78/100
+4 points over EcoBoost 1.5
0 / 100
ACCEPTABLE EcoBoost 1.5 Ford
0 / 100
BUY Sigma 1.25 Ford

Specifications

EcoBoost 1.5
Sigma 1.25
Brand
Ford
Ford
Verdict
ACCEPTABLE
BUY
Reliability
74
78
Years
2014--present
1996--2017
Displacement
1499 cc
1242 cc
Layout
I4
I4
Type
Petrol Turbo
Petrol Na
Power
150--182 hp
60--82 hp
Known Issues
0
1
Total Risk Cost
€0--€0
€50--€150

Character

EcoBoost 1.5

"Focus/Kuga. Decent performer. Coolant issues (shared with 1.0). Improved over time."

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

EcoBoost 1.5 0

No documented issues.

Sigma 1.25 1

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

Models

EcoBoost 1.5 10

Focus Mk2 (DA3) 2004--2011 Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk4/Mk5 (JA/JB) 1996--2002 Focus Mk3 (DYB) 2011--2015 Focus Mk3 (DYB) 2011--2015 Focus Mk3 (DYB) 2015--2018 Focus Mk3 (DYB) 2014--2018 S-Max Mk2 (CD390) 2015--2023 Galaxy Mk3 (CD390) 2015--2023 Mondeo Mk5 (CD391) 2015--2022

Sigma 1.25 3

Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2017 Fiesta Mk7 (JA8) 2008--2017
Full EcoBoost 1.5 Report Full Sigma 1.25 Report