Opel Astra G
Weaknesses, engine ratings and buying advice
192–241 PS
2.0L Turbo OPC Benzin
OPC precursor
Fun to Drive!60–80 PS
1.7L DI Diesel
8 weaknesses
Stay Away!Body Variants
The Opel Astra G is available as Sports Tourer and Hatchback — choose your body type for specific insurance data:
Generations
Engine Overview
The Opel Astra G is available with 8 engine variants — from 60 to 241 hp. 1 variants had engine changes — the model year is crucial.
The Opel 1.7L DI (Diesel, 68–80 PS) has the Y17DTL (1.7L DI) — rated: "Stay Away!", 8 known weaknesses.
The Opel 2.0L DTI (Diesel, 82–101 PS) comes with 2 different engines: Y20DTH (2000–2004, Be Careful) and Y20DTH (2000–2004, Be Careful). Pay attention to the model year for the 2.0L DTI!
The Opel 1.2L 16V (Petrol, 75 PS) has the Z12XE (1.2L 16V) — rated: "Be Careful", 8 known weaknesses.
The Opel 1.6L (Petrol, 75 PS) has the Z16SE (1.6L) — rated: "Be Careful", 5 known weaknesses.
The Opel 1.6L 16V (Petrol, 101–105 PS) has the Z16XE (1.6L 16V) — rated: "Be Careful", 5 known weaknesses.
The Opel 1.8L 16V (Petrol, 116 PS) has the Z18XE (1.8L 16V) — rated: "Be Careful", 5 known weaknesses.
The Opel 2.0L Turbo OPC (Petrol, 160 PS) has the Z20LEH (2.0L Turbo OPC) — rated: "Be Careful", 4 known weaknesses.
The Opel 2.2L 16V (Petrol, 147 PS) has the Z22SE (2.2L 16V) — rated: "Be Careful", 7 known weaknesses.
Explore more
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Rust on rear wheel arches Notorious weak point: the rear wheel arches rust from the inside out because the full galvanising was applied before welding. There was a recall. Symptoms: Rust blisters or brown discolouration at the outer edge of the rear wheel arches, visible rust-through inside the wheel arch. from 100,000 km | Medium | |
| Rust on rear spring seat The rear axle spring seats and the mounting points beside the rear axle mounting are affected by rust across all models. Severe rust can lead to MOT failure. Symptoms: Noted at MOT, visible rust on the rear spring perches, knocking or clunking from the rear axle. from 120,000 km | Medium | |
| Rust on sill panels The structural sills are a known rust attack point. Rust-through requires extensive repair with replacement sill sections and is a safety concern. Symptoms: Visible rust or deformation on the sills; chassis defect noted at MOT. from 120,000 km Ad sill Astra G | Medium | |
| Exhaust system rusting through prematurely The exhaust systems on the Astra G corrode prematurely, especially at the joints and the rear silencer. Vehicles without regular cavity protection are almost universally affected. Symptoms: Loud banging or bubbling from the exhaust area, exhaust fumes smell inside the cabin, visible rust patches on the underbody. from 90,000 km | Low |
Alternatives
Known Problems and Issues
A total of 61 weaknesses have been documented for the Opel Astra G (2000–2004) — 46 engine-related and 15 vehicle-related. One problem engine: Y17DTL (1.7L DI). Typical issues affect Rust, Brakes, Electronics, Steering.
Astra (Y17DTL, 2000–2004) — Stay Away!: Injection pump ECU (EDU) faulty, Timing belt — engine damage if it breaks, Injection pump ECU (EDU) faulty — engine cuts out. Power: 68–80 PS.
Astra (Y20DTH, 2000–2004) — Be Careful: Injectors leaking, Dual mass flywheel faulty, Variable turbine geometry sticking. Power: 82 PS.
Astra (Y20DTH, 2000–2004) — Be Careful: Injectors leaking, Dual mass flywheel faulty, Variable turbine geometry sticking. Power: 101 PS.
Astra (Z12XE, 2000–2004) — Be Careful: Timing belt breaks → engine damage, Timing chain tensioner with insufficient travel, Oil consumption from piston rings. Power: 75 PS.
Astra (Z16SE, 2000–2004) — Be Careful: Timing belt breaks → engine damage, Head gasket leaking, Thermostat sticking. Power: 75 PS.
Astra (Z16XE, 2000–2004) — Be Careful: Timing belt breaks → engine damage, EGR valve coked up, Electronic throttle body faulty. Power: 101–105 PS.
Astra (Z18XE, 2000–2004) — Be Careful: Crankshaft sensor: failure from oil wetting, Cylinder head: hairline crack and coolant loss, Valve stem seals: increased oil consumption. Power: 116 PS.
Astra (Z22SE, 2001–2004) — Be Careful: Timing chain guide rail bolt breaks, Secondary chain balance shaft breaks, Oil consumption from worn piston rings. Power: 147 PS.
Astra (Z20LEH, 2002–2004) — Be Careful: Turbocharger bearing failure, Piston rings worn, Clutch prematurely worn. Power: 160 PS.
What to watch out for with the Opel Astra? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Opel Astra G have? +
What should I look for when buying a used Opel Astra G? +
Which engine is recommended? +
Which Opel Astra G engine is the most fun? +
Is the Opel Astra G worth buying used? +
What horsepower variants are available for the Opel Astra G? +
Last updated: February 2026 · All information without guarantee