The Opel Insignia A was built from 2008 to 2017.
For this generation we cover 4 engines and 13 known faults, each with the mileage range where it usually appears.
The most expensive known risk is 6T40 / 6T45 3-5-R wave plate: it usually appears at 80,000–200,000 km and costs €1,200–2,500 to fix.
In UK roadworthiness tests in 2024, at 150–200 thousand km this model most often failed on: lights, wipers and visibility (16.6 %), suspension (12.9 %), tyres and wheels (9.9 %). It fails less often than average on: steering, body and corrosion.
Faults typical of this model
M32 6-speed manual gearbox bearings (6-speed only)
usually 100,000–220,000 km · High risk
Signs: Whine or growl in 5th / 6th gear and off throttle, gear lever vibrates or jumps out of gear
Fix: Replace the bearings (and the output shaft if worn) and fill the gearbox to the corrected oil level
€700–1,800
Faults by engine
1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER)
Camshaft phaser (variator) failure
usually 80,000–160,000 km · Medium risk
Signs: Rattle / diesel-like noise, P0016–P0017 codes
Fix: Replace phasers and solenoids
€400–900
Ignition module (cassette)
usually 80,000–160,000 km · Medium risk
Signs: Misfire; oil from the cam cover gasket in plug wells
Fix: Replace module and cam cover gasket
€150–400
Thermostat housing / coolant leaks
usually 80,000–160,000 km · Medium risk
Signs: Coolant loss, overheating
Fix: Replace housing
€150–350
Oil cooler housing seal (oil in coolant)
usually 100,000–200,000 km · Medium risk
Signs: Oil in the expansion tank
Fix: Replace oil cooler seals
€200–500
1.4 Turbo (A14NET)
PCV valve in cam cover
usually 60,000–140,000 km · Medium risk
Signs: Whistle, oil leaks, lean codes
Fix: Replace cam cover
€200–400
Turbo coolant line leak
usually 80,000–160,000 km · Wear part
Signs: Coolant smell
Fix: Replace line
€100–300
2.0 CDTI (A20DTH / A20DTR)
EGR valve
usually 100,000–180,000 km · Medium risk
Signs: Limp mode
Fix: Clean or replace
€250–600
Injectors
usually 150,000–230,000 km · Medium risk
Signs: Smoke, hard start
Fix: Replace
€600–1,400
1.6 CDTI
AdBlue / NOx sensor
usually 80,000–160,000 km · Medium risk
Signs: AdBlue warning
Fix: Replace sensor
€300–700
Gearboxes
Manual
Clutch wear
usually 120,000–200,000 km · Medium risk
Signs: Slipping, high bite point
Fix: Replace clutch kit
€500–900
Automatic (Aisin AF40 / GM 6T40 / 6T45)
6T40 / 6T45 3-5-R wave plate
usually 80,000–200,000 km · High risk
model years 2008–2017 only
Signs: Loss of 3rd, 5th and reverse
Fix: Replace the wave plate (gearbox rebuild)
€1,200–2,500
AF40 valve body / harsh shifts
usually 100,000–200,000 km · Medium risk
Signs: Harsh or flared shifts
Fix: Fluid change; valve body repair
€300–1,200
Scheduled service
Intervals and typical prices for the 1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 176,202 tests.
Official recalls
Recalls the manufacturer published in the United Kingdom for this model (16). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
- Suspension / axles The rear toe link may have material loss over vehicle lifetime due to corrosion.16/11/2022 · R/2022/329
- Brakes / ABS / ESP The hydraulic brake compensation (vacuum) pump may not get activated .12/10/2022 · R/2022/295
- Steering The turbo charger oil return pipe may crack and leak engine oil26/02/2020 · R/2019/387
- Fuel system The clip of a fuel line bundle might chafe against the fuel pump10/02/2020 · R/2019/414
- Brakes / ABS / ESP Reduction in braking power where the brake pedal is applied slowly and constantly10/06/2019 · R/2019/181
- Gearbox Central door locking system may unlock the doors whilst vehicle is parked04/01/2019 · R/2018/364
- Fire risk The clip of a fuel line bundle may chafe against the fuel pump return hose06/09/2018 · R/2018/235
- Seat belt Seat belt buckle may separate from seat frame16/07/2018 · R/2018/175
The other recalls (8) are listed in the app.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 07/10/2026