Ford Fiesta Mk7 (JA8) — Reliability

Mk7 (JA8) 2008–2017 1 engine

Reliability Summary

Engine Sigma 1.25 — 78/100 BUY
Known Issues 1

Engine in this model

BUY 78

Sigma 1.25

Sigma 1.25 (FUJA/SNJA/STJA)

Fiesta/Ka. Simple Yamaha co-developed engine. Timing chain (good). Reliable. Low power. Thermostat h...

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Known Issues Across All Engines

Issue Engine Severity Onset
Thermostat housing crack Sigma 1.25 minor 60,000 km – 120,000 km