Sigma 1.25
Ford · Sigma 1.25 (FUJA/SNJA/STJA)
1996–2017
"Fiesta/Ka. Simple Yamaha co-developed engine. Timing chain (good). Reliable. Low power. Thermostat housing. Coil pack. Perfect first car/city car engine."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 1
Thermostat housing crack
▸Slow warming, coolant leak
Standard Ford/Yamaha issue.
Θερμοστάτης — €50-150.
Models with Sigma 1.25 3
Other Ford Engines
Tuning Potential
None
Frequently Asked Questions
Is the Ford Sigma 1.25 reliable?
The Ford Sigma 1.25 scores 78/100 with a verdict of BUY. It has 1 documented issues with total repair costs between €50 and €150.
What are the common problems with the Sigma 1.25?
The most common issues are:
- Thermostat housing crack — minor, repair cost €50–€150, 60,000 km–120,000 km
What cars use the Ford Sigma 1.25?
How much does it cost to repair the Sigma 1.25?
Total potential repair costs for all 1 known issues range from €50 to €150. The most expensive issue is typically .
What years was the Sigma 1.25 produced?
The Ford Sigma 1.25 was produced from 1996 to 2017. It is a 1242cc I4 petrol na engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.