The Opel Astra G Cabrio 2.2 Ecotec 16V, produced between March 2001 and October 2005, represented a compelling offering in the European compact convertible market. Part of the G generation Astra (1998-2005), the Cabriolet variant provided open-air motoring with a focus on style and relative affordability. This particular 2.2-liter, 16-valve engine configuration was positioned as a mid-range option, offering a significant performance upgrade over the base 1.6 and 1.8-liter models, while remaining more accessible than the later, more powerful turbocharged variants. It was built on the Astra G platform, internally designated as the 1HX0 for the Cabriolet.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra G Cabrio |
| Type (Engine) | 2.2 Ecotec 16V (147 Hp) |
| Start of production | March, 2001 |
| End of production | October, 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.8 l/100 km (19.9 US mpg) |
| Fuel consumption (extra urban) | 6.1 l/100 km (38.6 US mpg) |
| Fuel consumption (combined) | 8.2 l/100 km (28.7 US mpg) |
| CO2 emissions | 197 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.5 sec |
| Acceleration 0 – 62 mph | 9.5 sec |
| Acceleration 0 – 60 mph | 9 sec |
| Maximum speed | 216 km/h (134.22 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9 kg/Hp |
| Weight-to-torque ratio | 6.5 kg/Nm |
| Power | 147 Hp @ 5800 rpm |
| Torque | 203 Nm @ 4000 rpm (149.73 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z22SE |
| Engine displacement | 2198 cm3 (134.13 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | DOHC |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant capacity | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Kerb Weight | 1318 kg (2905.69 lbs.) |
| Max. weight | 1765 kg (3891.16 lbs.) |
| Max load | 447 kg (985.47 lbs.) |
| Trunk (boot) space – minimum | 330 l (11.65 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 4267 mm (167.99 in.) |
| Width | 1709 mm (67.28 in.) |
| Width including mirrors | 1989 mm (78.31 in.) |
| Height | 1390 mm (54.72 in.) |
| Wheelbase | 2606 mm (102.6 in.) |
| Front track | 1474 mm (58.03 in.) |
| Rear track | 1462 mm (57.56 in.) |
| Front overhang | 812 mm (31.97 in.) |
| Rear overhang | 849 mm (33.43 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Independent, McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic |
| Tires size | 215/40 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the Astra G Cabrio 2.2 Ecotec was the Z22SE engine, a naturally aspirated, 2.2-liter inline-four cylinder powerplant. This engine belonged to Opel’s ‘Ecotec’ family, which emphasized efficiency and refinement. The Z22SE featured multi-port fuel injection, a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, and a compression ratio of 10:1. These features contributed to a relatively smooth power delivery and decent fuel economy for its class. The engine produced 147 horsepower at 5800 rpm and 203 Nm (149.73 lb-ft) of torque at 4000 rpm. The five-speed manual transmission was the standard offering, providing direct control over the engine’s power. The transmission’s gear ratios were tuned for a balance between acceleration and cruising efficiency.
Driving Characteristics
The 2.2-liter Astra G Cabrio offered a noticeable step up in performance compared to the lower-displacement engines. While not a sports car, it provided sufficient power for comfortable cruising and spirited driving. Acceleration from 0-60 mph took approximately 9 seconds, and the top speed was around 134 mph. The manual transmission allowed for precise gear selection, and the engine’s torque curve provided good responsiveness in most driving situations. Compared to the 1.8-liter models, the 2.2 Ecotec felt significantly more capable, especially when carrying passengers or luggage. However, it didn’t possess the outright punch of later turbocharged Astra convertibles.
Equipment & Trim Levels
The Astra G Cabrio 2.2 Ecotec typically came with a reasonable level of standard equipment. This included power windows, central locking, power steering, and an ABS anti-lock braking system. Interior upholstery was generally cloth, although leather options were available. Dashboard design was functional and straightforward, typical of Opel interiors of the period. Optional extras included air conditioning, a CD player, alloy wheels, and a more sophisticated sound system. Higher trim levels often added features like heated seats and a more premium interior finish.
Chassis & Braking
The Astra G Cabrio utilized an independent McPherson strut suspension at the front and a semi-independent coil spring suspension at the rear. This setup provided a reasonable balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The hydraulic power steering provided light and precise steering feel. The car’s weight distribution was fairly balanced, contributing to predictable handling characteristics. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra G Cabrio 2.2 Ecotec was generally well-received by automotive critics. It was praised for its stylish design, comfortable ride, and relatively affordable price. However, some reviewers noted that the interior quality wasn’t quite as refined as some of its competitors, such as the Volkswagen Golf Cabriolet. In terms of fuel economy, the 2.2-liter engine was less efficient than the smaller-displacement options, but the performance trade-off was considered worthwhile by many buyers. Compared to the 1.8-liter models, the 2.2 Ecotec offered a significant performance boost, making it a more appealing choice for drivers who prioritized driving enjoyment.
Legacy
The Opel Astra G Cabrio 2.2 Ecotec has proven to be a relatively reliable vehicle, with the Z22SE engine being known for its durability. Common maintenance items include regular oil changes, timing belt replacements (typically every 60,000 miles), and inspection of the cooling system. On the used car market, these convertibles remain relatively affordable, making them an attractive option for buyers seeking a stylish and enjoyable open-top motoring experience. While not a collector’s item, well-maintained examples are increasingly sought after by enthusiasts.
