The Opel Astra H GTC OPC 2.0 Turbo ECOTEC, produced from 2007 to 2010, represented the high-performance variant of the Astra H GTC (Grand Tourer Coupe) facelift. Positioned as the flagship model within the Astra H range, the OPC (Opel Performance Center) offered a significantly enhanced driving experience compared to the standard Astra trims. This three-door hatchback aimed to compete with other hot hatches like the Volkswagen Golf GTI and Ford Focus ST, offering a blend of sporty styling, potent performance, and practical hatchback versatility. It was primarily marketed in Europe, where the Astra was a key model for Opel, and was not officially sold in the United States.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra H GTC (facelift 2007) |
| Type (Engine) | OPC 2.0 Turbo ECOTEC (240 Hp) |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (economy) – urban (NEDC) | 13 l/100 km (18.1 US mpg, 21.7 UK mpg, 7.7 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 7 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 9.2 l/100 km (25.6 US mpg, 30.7 UK mpg, 10.9 km/l) |
| CO2 emissions (NEDC) | 221 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.4 sec |
| Acceleration 0 – 62 mph | 6.4 sec |
| Acceleration 0 – 60 mph | 6.1 sec |
| Maximum speed | 244 km/h (151.61 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 5.5 kg/Hp, 182.1 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 242.8 Nm/tonne |
| Power | 240 Hp @ 5600 rpm |
| Power per litre | 120.1 Hp/l |
| Torque | 320 Nm @ 2400-5000 rpm (236.02 lb.-ft. @ 2400-5000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z20LEH |
| 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, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7.7 l (8.14 US qt | 6.78 UK qt) |
| Kerb Weight | 1318 kg (2905.69 lbs.) |
| Max. weight | 1840 kg (4056.51 lbs.) |
| Max load | 522 kg (1150.81 lbs.) |
| Trunk (boot) space – minimum | 340 l (12.01 cu. ft.) |
| Trunk (boot) space – maximum | 1070 l (37.79 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4290 mm (168.9 in.) |
| Width | 1753 mm (69.02 in.) |
| Width with mirrors folded | 1804 mm (71.02 in.) |
| Width including mirrors | 2033 mm (80.04 in.) |
| Height | 1405 mm (55.31 in.) |
| Wheelbase | 2614 mm (102.91 in.) |
| Front track | 1488 mm (58.58 in.) |
| Rear (Back) track | 1488 mm (58.58 in.) |
| Front overhang | 910 mm (35.83 in.) |
| Rear overhang | 766 mm (30.16 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle (turning diameter) | 11.2 m (36.75 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 | 6 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Torsion |
| Front brakes | Ventilated discs, 321 mm |
| Rear brakes | Disc, 278 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/40 R18 |
| Wheel rims size | 8J x 18 |
Powertrain & Engine Architecture
The heart of the Astra H GTC OPC was the Z20LEH engine, a 2.0-liter turbocharged inline-four cylinder gasoline engine. This engine was a member of Opel’s Ecotec family, known for its focus on efficiency and performance. The Z20LEH featured a cast iron block and an aluminum cylinder head, incorporating dual overhead camshafts (DOHC) and four valves per cylinder. Fuel was delivered via multi-port fuel injection, and the engine utilized a Garrett GT2871R turbocharger with an intercooler to boost power output to 240 horsepower at 5600 rpm and 320 Nm (236 lb-ft) of torque between 2400 and 5000 rpm. The engine’s compression ratio was 8.8:1. The OPC was exclusively offered with a six-speed manual transmission, designed to handle the engine’s increased power and provide precise gear changes.
Driving Characteristics
The Astra H GTC OPC delivered a noticeably more engaging driving experience than the standard Astra models. The turbocharger provided a surge of power in the mid-range, making overtaking maneuvers quick and effortless. While not as brutally fast as some of its rivals, the OPC offered a good balance between performance and usability. The six-speed manual transmission allowed for precise control, and the chassis was well-tuned for spirited driving. The steering was direct and responsive, providing good feedback to the driver. However, the front-wheel-drive layout could sometimes lead to torque steer under hard acceleration. Compared to the naturally aspirated 1.8-liter models, the OPC offered a significant performance upgrade, but at the cost of increased fuel consumption.
Equipment & Trim Levels
The Astra H GTC OPC came generously equipped as standard. Key features included sport seats upholstered in Morrocana (a leatherette material), a leather-wrapped steering wheel and gear knob, air conditioning, electric windows, and an upgraded audio system. The exterior was distinguished by a unique body kit, including a front spoiler, side skirts, and a rear wing. Optional extras included Recaro sports seats, xenon headlights, and a panoramic sunroof. The interior typically featured a dark color scheme with aluminum trim accents.
Chassis & Braking
The OPC featured a revised chassis compared to the standard Astra GTC, with stiffer springs and dampers, and a larger diameter anti-roll bar. This resulted in reduced body roll and improved handling. The front suspension utilized McPherson struts, while the rear suspension employed a torsion beam setup. Braking performance was also enhanced, with larger ventilated discs at the front (321mm) and solid discs at the rear (278mm). ABS (Anti-lock Braking System) was standard. The car rode on 8J x 18 inch alloy wheels fitted with 225/40 R18 tires.
Market Reception & Comparison
The Astra H GTC OPC was generally well-received by automotive critics. It was praised for its sporty handling, strong performance, and attractive styling. However, some reviewers noted that the interior quality wasn’t quite as refined as some of its rivals, and the front-wheel-drive layout could limit its appeal to some enthusiasts. Compared to the more economical 1.8-liter Astra models, the OPC offered significantly more performance but suffered from higher fuel consumption and insurance costs. The Golf GTI was often seen as the benchmark in this segment, and the Astra OPC was considered a credible alternative, offering a slightly more raw and engaging driving experience.
Legacy
The Astra H GTC OPC remains a popular choice among enthusiasts looking for an affordable and capable hot hatch. The Z20LEH engine is generally considered to be reliable, although regular maintenance is essential. Common issues include turbocharger wear and potential oil leaks. The OPC’s relatively simple mechanical design makes it relatively easy to maintain and repair. Today, well-maintained examples command a reasonable price on the used car market, and the car is increasingly appreciated as a modern classic.
