Ford Fiesta Mk7 (JA8) — Reliability

Mk7 (JA8) 2008–2012 2 engines

Reliability Summary

Best engine DV6C/DV6D 1.6 HDi 8v / BlueHDi — 72/100 ACCEPTABLE
Worst engine DV6ATED4/DV6TED4 1.6 HDi 16v — 59/100 CAUTION
Average reliability 66/100

Engine Comparison

Engine Reliability Score Verdict Known Issues
DV6C/DV6D 1.6 HDi 8v / BlueHDi
1.6L Diesel I4 (8v) 		72/100 ACCEPTABLE Injector failure +3
DV6ATED4/DV6TED4 1.6 HDi 16v
1.6L Diesel I4 (16v) 		59/100 CAUTION Turbo failure from carbon-blocked oil feed and pickup strainer +2

Engines in this model

ACCEPTABLE 72

DV6C/DV6D 1.6 HDi 8v / BlueHDi

1.6L Diesel I4 (8v)

Second-generation 1.6 HDi: 8-valve head with better injector sealing, redesigned turbo installation ...

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CAUTION 59

DV6ATED4/DV6TED4 1.6 HDi 16v

1.6L Diesel I4 (16v)

First-generation 16-valve 1.6 HDi (also Ford 1.6 TDCi, Volvo D4164T, Mini One D). Carbon in the oil ...

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Known Issues Across All Engines

Issue Engine Severity Onset
Injector failure DV6C/DV6D 1.6 HDi 8v / BlueHDi high 90,000 km – 150,000 km
DPF blockage — city driving DV6C/DV6D 1.6 HDi 8v / BlueHDi high 60,000 km – 120,000 km
Injector copper-seal leak — soot into the oil ("black death") DV6C/DV6D 1.6 HDi 8v / BlueHDi moderate —
Turbo failure — carbon in oil feed (reduced on 8-valve) DV6C/DV6D 1.6 HDi 8v / BlueHDi moderate 80,000 km – 150,000 km
Turbo failure from carbon-blocked oil feed and pickup strainer DV6ATED4/DV6TED4 1.6 HDi 16v high 113,000 km – 177,000 km
Injector copper-seal leak — soot into the oil ("black death") DV6ATED4/DV6TED4 1.6 HDi 16v high —
DPF blockage — city driving DV6ATED4/DV6TED4 1.6 HDi 16v high 60,000 km – 120,000 km

FAQ

Is the Ford Fiesta reliable?

The Ford Fiesta has 2 engine options with reliability scores ranging from 59/100 (CAUTION) to 72/100 (ACCEPTABLE). Average reliability: 66/100.

Which Ford Fiesta engine is most reliable?

The DV6C/DV6D 1.6 HDi 8v / BlueHDi is the most reliable engine in the Ford Fiesta, scoring 72/100 (ACCEPTABLE).

What problems does the Ford Fiesta have?

Across all engine variants, the Ford Fiesta has 7 known issues. The most common are related to Injector failure, DPF blockage — city driving, Injector copper-seal leak — soot into the oil ("black death").