Petrol · 2015–2021
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
All about the Opel Astra KAll about the 1.0 / 1.2 / 1.4 / 1.6 Turbo petrol (Opel, 2014–2022) engine
The 1.0 / 1.2 / 1.4 Turbo petrol (Opel, 2014–2022) engine was fitted to the Opel Astra K (2015–2021). In the EU that is 60.7 % of all new cars of this generation.
Versions: 1.4 150 hp, 1.4 125 hp, 1.0 105 hp, 1.4, 1.2 131 hp, 1.2 110 hp.
The most expensive known risk is LED headlight unit fault warning: it usually appears at 30,000–200,000 km and costs €400–1,500 to fix.
✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
Signs: Sudden misfire and engine light, loss of compression on one cylinder, often after hard acceleration at low rpm
Fix: Use only full-synthetic oil with GM dexos1 (Gen 2 or newer) approval and avoid lugging at low rpm; a damaged piston means a compression test and engine repair
Signs: Metallic rattle for a few seconds on cold start; later engine light with cam/crank correlation codes P0016 / P0017
Fix: Check cam phase deviation in live data; if out of limits, replace the chain, guides and tensioner; keep oil changes short
Signs: Loss of power, engine light with boost codes P0299 or P0234
Fix: Compare target and actual boost and check actuator travel before replacing the turbo; often the actuator or a stiff flap is the cause
Signs: Engine warms up slowly, weak heating, higher fuel use, code P0128
Fix: Replace the thermostat housing and top up or bleed the coolant
Signs: Under slow, steady pedal pressure the pedal sinks further and braking force drops.
Fix: Check the VIN; the dealer replaces the affected brake and clutch hydraulic parts free of charge.
Signs: Brakes bind lightly with the pedal released, wheels run warm, fuel use up; calipers themselves are free.
Fix: Fit the modified pushrod retaining clip at the pedal and recheck the brake pedal position sensor setting.
Signs: Creaking from the front suspension over large bumps at low speed.
Fix: Replace the front lower control arm (with the bush) on the noisy side and set the alignment.
Signs: Headlight warning message while driving, LED light partly or fully out; codes B3866 or B2580.
Fix: Confirm by diagnostics; the headlight unit is replaced as a whole (used or refurbished units cut the cost).
Signs: Noise from the rear wheel or brake area; in the worst case the wheel hub can come loose.
Fix: Check the VIN; the dealer replaces the rear hub bolts free of charge.
Signs: No warning; the seat may not hold properly in a crash.
Fix: Check the VIN; the dealer inspects the welds and replaces the seats if needed, free of charge.
Signs: Slipping, high bite point
Fix: Replace clutch kit
Signs: Loss of 3rd, 5th and reverse
Fix: Replace the wave plate (gearbox rebuild)
Signs: Harsh or flared shifts
Fix: Fluid change; valve body repair
Signs: Whine, judder under load
Fix: Fluid change or rebuild
Typical routine maintenance cost for 100,000 km: €2,200–4,950. Sum of the services and wear parts in the plan above (about 15,000 km a year, independent workshop), without faults.
Intervals and typical prices for the Opel Astra K with the 1.0 / 1.2 / 1.4 Turbo petrol (Opel, 2014–2022) engine. The app gives the exact plan for your mileage.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 1.4 Petrol1,399 cm³ · 110 kW (150 hp) | 15.2 % | 2016–2020 | 140 g/km | — |
| 1.4 Petrol1,399 cm³ · 92 kW (125 hp) | 15.2 % | 2016–2020 | 137 g/km | — |
| 1.0 Petrol999 cm³ · 77 kW (105 hp) | 10.4 % | 2016–2020 | 121 g/km | — |
| 1.4 Petrol1,399 cm³ | 5.9 % | 2016–2020 | 131 g/km | — |
| 1.2 Petrol1,199 cm³ · 96 kW (131 hp) | 2.5 % | 2019–2020 | 121 g/km | — |
| 1.2 Petrol1,199 cm³ · 81 kW (110 hp) | 2.3 % | 2019–2020 | 121 g/km | — |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
Recalls the manufacturer published in the United Kingdom for this model (9). 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.
The faults with the highest risk: LED headlight unit fault warning (30,000–200,000 km, €400–1,500).
5W-30 / 0W-20 · GM dexos · every 15,000 km.
Main sources for the faults of this engine:
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. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). 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. How we check the data →
Updated 29/10/2026