EcoBoost 1.0 vs Sigma 1.25

Side-by-side reliability comparison

Higher reliability score
Sigma 1.25 BUY 78/100
+6 points over EcoBoost 1.0
0 / 100
ACCEPTABLE EcoBoost 1.0 Ford
0 / 100
BUY Sigma 1.25 Ford

Specifications

EcoBoost 1.0
Sigma 1.25
Brand
Ford
Ford
Verdict
ACCEPTABLE
BUY
Reliability
72
78
Years
2012--present
1996--2017
Displacement
999 cc
1242 cc
Layout
I3
I4
Type
Petrol Turbo
Petrol Na
Power
100--140 hp
60--82 hp
Known Issues
0
1
Total Risk Cost
€0--€0
€50--€150

Character

EcoBoost 1.0

"Fiesta/Focus/Puma. Award-winning. Coolant leak into cylinders on early models. Post-2016 improved."

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 1.0 0

No documented issues.

Sigma 1.25 1

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

Models

EcoBoost 1.0 25

Fiesta Mk8 2017--2023 Fiesta Mk8 2017--2023 Puma — 2020--present Fiesta Mk8 2018--2023 Focus Mk4 2018--2025 Focus Mk4 2018--2025 Kuga Mk3 2020--present Focus Mk4 2018--2025 Focus Mk4 2018--2025 Focus Mk4 2020--2025 Focus Mk4 2020--2025 Puma — 2019--present Fiesta Mk8 2018--2023 Fiesta Mk8 2017--2023 Puma — 2019--present Puma — 2019--present Fiesta Mk8 2020--2023 Fiesta Mk8 2020--2023 Fiesta Mk6 (JD/JH) 2002--2008 EcoSport B515 2014--2022 EcoSport B515 2014--2022 Fiesta Mk7 (JA8) 2012--2017 Fiesta Mk7 (JA8) 2012--2017 Fiesta Mk7 (JA8) 2012--2017 EcoSport B515 2018--2022

Sigma 1.25 3

Fiesta Mk6 (JD/JH) 2002--2008 Fiesta Mk7 (JA8) 2008--2017 Fiesta Mk7 (JA8) 2008--2017
Full EcoBoost 1.0 Report Full Sigma 1.25 Report