2002-2004 Opel Astra G (facelift ) 2.0 16V Turbo OPC (200 Hp)

The Opel Astra G facelift, produced from 2002 to 2004, represented a significant refresh of the popular Astra G series. Among the variants offered, the 2.0 16V Turbo OPC (Order Pick Company) stood out as the performance flagship. This hot hatch, designed to compete with rivals like the Volkswagen Golf GTI and Ford Focus ST, brought a substantial power increase and sporty handling to the Astra lineup. The OPC was only available as a 3-door hatchback, emphasizing its focus on driving enthusiasts. Production of this specific model was relatively limited, making it a sought-after vehicle among Opel collectors and performance car aficionados.

Technical Specifications

Brand Opel
Model Astra
Generation Astra G (facelift 2002)
Type (Engine) 2.0 16V Turbo OPC (200 Hp)
Start of production November, 2002
End of production February, 2004
Powertrain Architecture Internal Combustion engine
Body type Hatchback
Seats 5
Doors 3
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 7.5 sec
Acceleration 0 – 62 mph 7.5 sec
Acceleration 0 – 60 mph 7.1 sec
Maximum speed 229 km/h (142.29 mph)
Weight-to-power ratio 6.3 kg/Hp, 160 Hp/tonne
Weight-to-torque ratio 5 kg/Nm, 200 Nm/tonne
Power 200 Hp @ 5600 rpm
Power per litre 100.1 Hp/l
Torque 250 Nm @ 1950-5600 rpm (184.39 lb.-ft. @ 1950-5600 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, Intercooler
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 1250 kg (2755.78 lbs.)
Max. weight 1770 kg (3902.18 lbs.)
Max load 520 kg (1146.4 lbs.)
Trunk (boot) space – minimum 370 l (13.07 cu. ft.)
Trunk (boot) space – maximum 1180 l (41.67 cu. ft.)
Fuel tank capacity 52 l (13.74 US gal | 11.44 UK gal)
Length 4110 mm (161.81 in.)
Width 1709 mm (67.28 in.)
Width including mirrors 1967 mm (77.44 in.)
Height 1425 mm (56.1 in.)
Wheelbase 2606 mm (102.6 in.)
Front track 1464 mm (57.64 in.)
Rear (Back) track 1452 mm (57.17 in.)
Front overhang 791 mm (31.14 in.)
Rear overhang 713 mm (28.07 in.)
Ride height (ground clearance) 130 mm (5.12 in.)
Drag coefficient (Cd) 0.32
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 Wishbone
Rear suspension Suspension with traction connecting levers
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 215/40 R17
Wheel rims size 7.5J x 17

Powertrain & Engine Architecture

The heart of the Astra OPC was the Z20LET, a 2.0-liter turbocharged inline-four cylinder engine. This engine was a derivative of the Family II engine series, known for its robustness and tuning potential. The Z20LET featured a cast iron block and an aluminum cylinder head with dual overhead camshafts (DOHC) and four valves per cylinder. A key component was the Garrett GT2252V turbocharger with an intercooler, providing significant boost. Fuel delivery was handled by a multi-port fuel injection system. The engine produced 200 horsepower at 5600 rpm and 250 Nm (184 lb-ft) of torque available from 1950 to 5600 rpm. The engine was paired exclusively with a Getrag F28 five-speed manual transmission, chosen for its durability and positive shift feel. This combination allowed for quick acceleration and responsive driving.

Driving Characteristics

The Astra OPC offered a noticeably more engaging driving experience than its naturally aspirated siblings. The turbocharger provided a surge of power in the mid-range, making overtaking and spirited driving effortless. While not as raw or visceral as some contemporary hot hatches, the OPC delivered a well-balanced and predictable handling experience. The suspension was firmer than standard Astra models, reducing body roll and improving cornering stability. The five-speed manual transmission had relatively short throws, contributing to a sporty feel. The 0-60 mph sprint was achieved in around 7.1 seconds, and the car had a top speed of 142 mph. Compared to the base 1.4L or 1.6L Astra models, the OPC was in a different league, offering a significantly more powerful and dynamic driving experience.

Equipment & Trim Levels

The Astra OPC came reasonably well-equipped, though options were available to further enhance the experience. Standard features included sport seats with unique upholstery, a leather-wrapped steering wheel, air conditioning, and an upgraded audio system. Exterior styling cues included a distinctive front bumper with larger air intakes, side skirts, a rear spoiler, and 17-inch alloy wheels. Optional extras included Recaro sport seats, xenon headlights, and a sunroof. The interior was focused on a sporty aesthetic, with aluminum trim accents and a revised instrument cluster.

Chassis & Braking

The Astra OPC benefited from several chassis upgrades compared to standard Astra G models. The suspension was lowered and stiffened, and thicker stabilizer bars were fitted to reduce body roll. The braking system was also upgraded, featuring ventilated front discs and solid rear discs. Anti-lock braking system (ABS) was standard. While the braking performance was adequate for the car’s performance level, it wasn’t considered a standout feature compared to some rivals.

Market Reception & Comparison

The Astra OPC was generally well-received by automotive critics, who praised its performance, handling, and value for money. However, some reviewers noted that the interior quality wasn’t quite as refined as some of its competitors, such as the Volkswagen Golf GTI. Fuel economy was also a concern, with combined fuel consumption averaging around 26.4 US mpg. Compared to the naturally aspirated 1.8L Astra models, the OPC offered a significant performance boost but came with higher running costs and insurance premiums. The OPC was positioned as a direct competitor to the Golf GTI and Ford Focus ST, offering a similar level of performance and practicality at a competitive price point.

Legacy

The Opel Astra G OPC has developed a loyal following among enthusiasts. The Z20LET engine is known for its durability and potential for further tuning. While some maintenance issues, such as turbocharger failures and oil leaks, can occur with age, the engine is generally considered reliable if properly maintained. Today, the Astra OPC is a sought-after vehicle in the used car market, particularly among those looking for a classic hot hatch with a strong performance pedigree. Its relative rarity and engaging driving experience have helped it maintain its value and appeal over the years.

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