2004-2006 Opel Astra H 2.0i 16V Turbo (170 Hp)

The Opel Astra H 2.0i 16V Turbo, produced between 2004 and 2006, represented a performance-oriented variant within the broader Astra H (2004-2009) range. Positioned as a step up from the base models, it offered a significant increase in power and driving engagement. This model year Astra H utilized the GM/Opel’s 1HX0 platform, shared with other vehicles like the Zafira B and Vectra C. The 2.0i 16V Turbo was aimed at drivers seeking a sporty hatchback experience without sacrificing everyday practicality. It served as a bridge between the more economical Astra variants and the later, more focused OPC (Opel Performance Center) models.

Technical Specifications

Brand Opel
Model Astra
Generation Astra H
Type (Engine) 2.0i 16V Turbo (170 Hp)
Start of production 2004
End of production 2006
Powertrain Architecture Internal Combustion engine
Body type Hatchback
Seats 5
Doors 5
Fuel consumption (urban) 12.9 l/100 km (18.2 US mpg, 21.9 UK mpg, 7.8 km/l)
Fuel consumption (extra urban) 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l)
Fuel consumption (combined) 9.1 l/100 km (25.8 US mpg, 31 UK mpg, 11 km/l)
CO2 emissions 218 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 8.9 sec
Acceleration 0 – 62 mph 8.9 sec
Acceleration 0 – 60 mph 8.5 sec
Maximum speed 217 km/h (134.84 mph)
Weight-to-power ratio 7.6 kg/Hp, 132.3 Hp/tonne
Weight-to-torque ratio 4.9 kg/Nm, 203.9 Nm/tonne
Power 170 Hp @ 5400 rpm
Power per litre 85.1 Hp/l
Torque 262 Nm @ 4200 rpm (193.24 lb.-ft. @ 4200 rpm)
Engine layout Front, Transverse
Engine Model/Code Z20LEL
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 4.3 l (4.54 US qt | 3.78 UK qt)
Coolant 7.7 l (8.14 US qt | 6.78 UK qt)
Kerb Weight 1285 kg (2832.94 lbs.)
Max. weight 1860 kg (4100.6 lbs.)
Max load 575 kg (1267.66 lbs.)
Trunk (boot) space – minimum 380 l (13.42 cu. ft.)
Trunk (boot) space – maximum 1330 l (46.97 cu. ft.)
Fuel tank capacity 52 l (13.74 US gal | 11.44 UK gal)
Length 4249 mm (167.28 in.)
Width 1753 mm (69.02 in.)
Width including mirrors 2033 mm (80.04 in.)
Height 1467 mm (57.76 in.)
Wheelbase 2614 mm (102.91 in.)
Front track 1488 mm (58.58 in.)
Rear (Back) track 1488 mm (58.58 in.)
Front overhang 871 mm (34.29 in.)
Rear overhang 764 mm (30.08 in.)
Ride height (ground clearance) 160 mm (6.3 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 6 gears, manual transmission
Front suspension Spring Strut
Rear suspension Spring Strut
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 215/45 R17
Wheel rims size 7J x 17

Powertrain & Engine Architecture

The heart of the Astra H 2.0i 16V Turbo is the Z20LEL engine, a 1998cc inline-four cylinder powerplant. This engine belongs to the Opel/GM Ecotec family, known for its aluminum alloy cylinder head and iron block construction. The ‘LEL’ code signifies a turbocharged version with multi-port fuel injection. The turbocharger, coupled with an intercooler, significantly boosted power output compared to naturally aspirated 2.0-liter variants. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for improved performance. The 6-speed manual transmission was standard, providing precise gear changes and allowing the driver to fully exploit the engine’s powerband. The engine oil capacity is 4.3 liters, and it requires a specification that meets Opel’s standards for long-term durability.

Driving Characteristics

The 2.0i 16V Turbo offered a noticeable step up in performance compared to lower-spec Astra H models. The 170 horsepower and 262 Nm (193 lb-ft) of torque provided brisk acceleration, with a 0-60 mph time of around 8.5 seconds and a top speed of 134.84 mph. The turbocharger delivers a surge of power in the mid-range, making overtaking maneuvers effortless. The 6-speed manual transmission is well-matched to the engine, offering a good balance between acceleration and fuel efficiency. While not as raw or focused as the later OPC models, the 2.0i Turbo provided a satisfying driving experience for those seeking a sporty hatchback. Compared to the 1.8-liter versions, the 2.0i Turbo offered significantly more power and torque, resulting in a more engaging and responsive driving experience.

Equipment & Trim Levels

The 2.0i 16V Turbo typically came with a reasonably well-equipped specification. Standard features often included air conditioning, power windows, central locking, and an integrated stereo system. Higher trim levels added features like alloy wheels (typically 17-inch), sport seats, and upgraded interior trim. Optional extras included a sunroof, leather upholstery, and a more advanced audio system. The interior generally featured a dark color scheme with sporty accents. The dashboard layout was typical of the Astra H, with a clear and functional design.

Chassis & Braking

The Astra H 2.0i 16V Turbo utilized a MacPherson strut suspension setup at the front and a multi-link suspension at the rear, providing a good balance between ride comfort and handling. The chassis was reinforced compared to lower-spec models to handle the increased power output. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System) as standard. The steering was a rack and pinion system, offering precise and responsive control. The standard tire size was 215/45 R17, providing good grip and handling characteristics.

Market Reception & Comparison

The Astra H 2.0i 16V Turbo was generally well-received by automotive critics. It was praised for its strong performance, comfortable ride, and well-equipped interior. However, some critics noted that the turbocharger could exhibit a slight amount of lag at lower engine speeds. Compared to other hatchbacks in its class, such as the Ford Focus and Volkswagen Golf, the Astra H 2.0i Turbo offered a competitive combination of performance, practicality, and value. Fuel economy was reasonable for a turbocharged engine, averaging around 25.8 US mpg in combined driving. Reliability was generally good, although regular maintenance was essential to ensure the longevity of the turbocharger and other engine components.

Legacy

The Opel Astra H 2.0i 16V Turbo remains a popular choice in the used car market. The Z20LEL engine is known for its durability and potential for tuning. While not as sought-after as the OPC models, the 2.0i Turbo offers a good balance of performance and affordability. Common maintenance issues include turbocharger wear, oil leaks, and occasional problems with the electronic throttle control. However, with proper care and maintenance, these engines can provide many years of reliable service. The Astra H 2.0i 16V Turbo represents a significant step forward in performance for the Astra line, offering a sporty and engaging driving experience that continues to appeal to enthusiasts today.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top