The Opel Astra G Coupe 2.0 16V Turbo, produced between June 2000 and November 2002, represented a performance-oriented variant within the Astra G Coupe range. Positioned as the flagship model, it offered a significant power upgrade over the naturally aspirated engines available, appealing to drivers seeking a sporty and engaging driving experience. This coupe sat atop the Astra G Coupe lineup, offering the highest performance and a more focused driving experience compared to the base models. It was a key offering in the European market, where the Astra G Coupe competed with rivals like the Peugeot 406 Coupe and Ford Cougar.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra G Coupe |
| Type (Engine) | 2.0 16V Turbo (192 Hp) |
| Start of production | June, 2000 |
| End of production | November, 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 12.5 l/100 km (18.8 US mpg, 22.6 UK mpg, 8 km/l) |
| Fuel consumption (extra urban) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| Fuel consumption (combined) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| CO2 emissions | 214 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 231 km/h (143.54 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 6.7 kg/Hp, 148.8 Hp/tonne |
| Weight-to-torque ratio | 5.2 kg/Nm, 193.8 Nm/tonne |
| Power | 192 Hp @ 5400 rpm |
| Power per litre | 96.1 Hp/l |
| Torque | 250 Nm @ 1950-5300 rpm (184.39 lb.-ft. @ 1950-5300 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z20LET |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 8.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger |
| Valvetrain | DOHC |
| Engine oil capacity | 4.25 l (4.49 US qt | 3.74 UK qt) |
| Coolant | 7.4 l (7.82 US qt | 6.51 UK qt) |
| Kerb Weight | 1290 kg (2843.96 lbs.) |
| Max. weight | 1660 kg (3659.67 lbs.) |
| Max load | 370 kg (815.71 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4267 mm (167.99 in.) |
| Width | 1709 mm (67.28 in.) |
| Width including mirrors | 1967 mm (77.44 in.) |
| Height | 1390 mm (54.72 in.) |
| Wheelbase | 2606 mm (102.6 in.) |
| Front track | 1467 mm (57.76 in.) |
| Rear (Back) track | 1456 mm (57.32 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11.5 m (37.73 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent, type 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 Steering |
| Tires size | 215/45 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the Astra G Coupe 2.0 16V Turbo is the Z20LET engine, a 1998cc inline-four cylinder powerplant. This engine is a member of Opel’s ‘Ecotec’ family, known for its lightweight construction and efficient design. The Z20LET utilizes a cast iron block with an aluminum cylinder head, featuring dual overhead camshafts (DOHC) and four valves per cylinder. A key feature is its Garrett GT17 turbocharger with an intercooler, providing forced induction to significantly boost power output. Fuel delivery is managed by a multi-port fuel injection system. The engine’s 8.8:1 compression ratio is a compromise between performance and reliability when used with a turbocharger. The five-speed manual transmission was the only transmission option offered with this engine, providing direct control over the engine’s power.
Driving Characteristics
The 192 horsepower and 250 Nm (184 lb-ft) of torque delivered by the Z20LET engine transformed the Astra G Coupe into a genuinely quick vehicle. Acceleration from 0 to 60 mph was achieved in approximately 7.4 seconds, with a top speed of 143.54 mph. The turbocharger provides a noticeable surge of power in the mid-range, making overtaking maneuvers effortless. While the chassis was well-tuned for handling, the front-wheel-drive configuration could exhibit torque steer under hard acceleration. Compared to the naturally aspirated 1.8L and 2.0L models, the Turbo offered a significantly more engaging and dynamic driving experience. The manual transmission allowed for precise gear selection, maximizing the engine’s potential.
Equipment & Trim Levels
The 2.0 16V Turbo typically came with a generous level of standard equipment. This included features like power windows, central locking, an upgraded stereo system, and alloy wheels. Sport seats with enhanced bolstering were also standard, providing additional support during spirited driving. Optional extras included leather upholstery, air conditioning, and a sunroof. The interior trim was generally dark-colored, with a focus on sporty aesthetics. The dashboard layout was typical of the Astra G, with a clear and functional design.
Chassis & Braking
The Astra G Coupe featured an independent McPherson strut suspension at the front and a semi-independent coil spring suspension at the rear. This setup provided a good balance between ride comfort and handling. The front brakes were ventilated discs, while the rear brakes were solid discs, providing adequate stopping power for the vehicle’s performance capabilities. Anti-lock Braking System (ABS) was standard, enhancing safety. The steering was a hydraulic power-assisted rack and pinion system, offering precise and responsive control.
Market Reception & Comparison
The Astra G Coupe 2.0 16V Turbo was generally well-received by automotive critics. It was praised for its strong performance, sporty handling, and attractive styling. However, some reviewers noted the potential for torque steer and the relatively high fuel consumption. Compared to the naturally aspirated Astra G Coupe models, the Turbo offered a substantial performance upgrade, but at a higher price point. It competed directly with other performance coupes in the European market, such as the Peugeot 406 Coupe and Ford Cougar.
Legacy
The Z20LET engine has gained a reputation for being a robust and tunable powerplant. While not immune to age-related issues, it is generally considered reliable when properly maintained. Today, the Astra G Coupe 2.0 16V Turbo is becoming increasingly sought after by enthusiasts and collectors. Its combination of performance, style, and relative affordability makes it an appealing option in the used car market. Parts availability is generally good, and a thriving aftermarket exists for performance upgrades. The Z20LET engine remains a popular choice for engine swaps and modifications, further cementing its legacy as a capable and versatile powerplant.
