Opel Insignia 1.6 Turbo A — Reliability

A Sedan Mid 2008–2017 2 engines

Reliability Summary

Best engine 1.6 SIDI Turbo A16XHT/A16SHT/B16SHT (MGE) — 74/100 ACCEPTABLE
Worst engine 1.6 Turbo Z16LET/A16LET (Family 1) — 68/100 ACCEPTABLE
Average reliability 71/100

Engine Comparison

Engine Reliability Score Verdict Known Issues
1.6 SIDI Turbo A16XHT/A16SHT/B16SHT (MGE)
1.6L SIDI Turbo I4 		74/100 ACCEPTABLE Intake-valve and injector carbon build-up (direct injection)
1.6 Turbo Z16LET/A16LET (Family 1)
1.6L Turbo I4 		68/100 ACCEPTABLE Timing belt — interference engine, 150,000 km / 6-year limit +3

Engines in this model

ACCEPTABLE 74

1.6 SIDI Turbo A16XHT/A16SHT/B16SHT (MGE)

1.6L SIDI Turbo I4

GM Medium Gasoline Engine: direct injection, chain-driven, 170 PS (A16XHT) or 200 PS (A16SHT/B16SHT)...

View details →
ACCEPTABLE 68

1.6 Turbo Z16LET/A16LET (Family 1)

1.6L Turbo I4

Astra H/J, Insignia A, Zafira B and Corsa OPC turbo. Port-injected, cast-iron, timing BELT — change ...

View details →

Known Issues Across All Engines

Issue Engine Severity Onset
Intake-valve and injector carbon build-up (direct injection) 1.6 SIDI Turbo A16XHT/A16SHT/B16SHT (MGE) moderate —
Timing belt — interference engine, 150,000 km / 6-year limit 1.6 Turbo Z16LET/A16LET (Family 1) high 150,000 km
Turbo boost-control faults — wastegate solenoid, bypass valve, cracked charge pipes 1.6 Turbo Z16LET/A16LET (Family 1) moderate —
Coolant leaks — water pump, thermostat housing, cracked plastic pipes 1.6 Turbo Z16LET/A16LET (Family 1) moderate —
Ignition coil failure under boost 1.6 Turbo Z16LET/A16LET (Family 1) moderate 50,000 km – 100,000 km

FAQ

Is the Opel Insignia 1.6 Turbo reliable?

The Opel Insignia 1.6 Turbo has 2 engine options with reliability scores ranging from 68/100 (ACCEPTABLE) to 74/100 (ACCEPTABLE). Average reliability: 71/100.

Which Opel Insignia 1.6 Turbo engine is most reliable?

The 1.6 SIDI Turbo A16XHT/A16SHT/B16SHT (MGE) is the most reliable engine in the Opel Insignia 1.6 Turbo, scoring 74/100 (ACCEPTABLE).

What problems does the Opel Insignia 1.6 Turbo have?

Across all engine variants, the Opel Insignia 1.6 Turbo has 5 known issues. The most common are related to Intake-valve and injector carbon build-up (direct injection), Timing belt — interference engine, 150,000 km / 6-year limit, Turbo boost-control faults — wastegate solenoid, bypass valve, cracked charge pipes.