2007-2009 Opel Astra H (facelift ) 1.9 CDTI ECOTEC (120 Hp)

The Opel Astra H (facelift, produced 2007-2009) 1.9 CDTI ECOTEC variant, generating 120 horsepower, represented a significant offering within the Astra H range. Introduced as part of the facelifted H generation (internally designated as the A04 generation), this model aimed to balance fuel efficiency with respectable performance, catering to buyers seeking a practical and economical family hatchback. Positioned as a mid-range option, it slotted between the lower-powered 1.3 CDTI and the more potent 1.9 CDTI 150 hp versions. The Astra H series itself was a crucial model for Opel, representing a substantial step forward in terms of design, technology, and overall refinement compared to its predecessor, the Astra G.

Technical Specifications

Brand Opel
Model Astra
Generation Astra H (facelift 2007)
Type (Engine) 1.9 CDTI ECOTEC (120 Hp)
Start of production 2007
End of production 2009
Powertrain Architecture Internal Combustion engine
Body type Hatchback
Seats 5
Doors 5
Fuel consumption (urban) 7.4 l/100 km (31.8 US mpg)
Fuel consumption (extra urban) 4.9 l/100 km (48 US mpg)
Fuel consumption (combined) 5.8 l/100 km (40.6 US mpg)
CO2 emissions 157 g/km
Fuel Type Diesel
Acceleration 0 – 100 km/h 10.5 sec
Acceleration 0 – 62 mph 10.5 sec
Acceleration 0 – 60 mph 10 sec
Maximum speed 194 km/h (120.55 mph)
Emission standard Euro 4
Weight-to-power ratio 11 kg/Hp
Weight-to-torque ratio 4.7 kg/Nm
Power 120 Hp @ 3500 rpm
Torque 280 Nm @ 2000-2750 rpm (206.52 lb.-ft.)
Engine layout Front, Transverse
Engine Model/Code Z19DT
Engine displacement 1910 cm3 (116.56 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 82 mm (3.23 in.)
Piston Stroke 90.4 mm (3.56 in.)
Compression ratio 18:1
Number of valves per cylinder 2
Fuel injection system Diesel Commonrail
Engine aspiration Turbocharger, Intercooler
Valvetrain SOHC
Engine oil capacity 4.3 l (4.54 US qt | 3.78 UK qt)
Coolant capacity 7 l (7.4 US qt | 6.16 UK qt)
Kerb Weight 1320 kg (2910.1 lbs.)
Max. weight 1885 kg (4155.71 lbs.)
Max load 565 kg (1245.61 lbs.)
Trunk (boot) space – minimum 380 l (13.42 cu. ft.)
Trunk (boot) space – maximum 1295 l (45.73 cu. ft.)
Fuel tank capacity 52 l (13.74 US gal | 11.44 UK gal)
Max. roof load 75 kg (165.35 lbs.)
Permitted trailer load (braked) 1500 kg (3306.93 lbs.)
Permitted trailer load (unbraked) 680 kg (1499.14 lbs.)
Length 4249 mm (167.28 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 1460 mm (57.48 in.)
Wheelbase 2614 mm (102.91 in.)
Front track 1488 mm (58.58 in.)
Rear track 1488 mm (58.58 in.)
Drag coefficient (Cd) 0.32
Minimum turning circle 11.2 m (36.75 ft.)
Drivetrain Front wheel drive
Number of gears 6
Gearbox type Manual
Front suspension Independent, McPherson with coil spring and anti-roll bar
Rear suspension Torsion
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric
Tires size 205/55 R16; 225/45 R17; 225/40 R18
Wheel rims size 6.5J x 16; 7J x 17; 7.5J x 18

INTRODUCTION

The Opel Astra H facelift 1.9 CDTI ECOTEC (120 hp) was produced from 2007 to 2009 and represented a popular choice for European drivers seeking a blend of economy and practicality. Built on the GM Delta platform (A04), the Astra H benefitted from a significant overhaul in design and engineering compared to the previous generation. The facelift brought revised styling, improved interior materials, and updated engine options, including this 1.9-liter turbodiesel. This variant aimed to provide a more refined driving experience and lower running costs than its petrol counterparts, making it well-suited for both urban commuting and longer journeys.

Powertrain & Engine Architecture

At the heart of this Astra variant lies the Z19DT engine, a 1.9-liter inline-four cylinder turbodiesel. This engine, a mainstay in Opel and Vauxhall vehicles of the era, is characterized by its robust construction and relatively simple design. It utilizes a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for improved efficiency and reduced emissions. The Z19DT features a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. A turbocharger with an intercooler is employed to boost power output and improve torque across a wider rev range. The 120 hp version of the Z19DT differs from the 150 hp variant primarily through revised engine mapping and a slightly smaller turbocharger, prioritizing fuel economy over outright performance. The engine is transversely mounted in the front of the vehicle, driving the front wheels. The six-speed manual transmission offered precise shifts and contributed to the car’s overall efficiency.

Driving Characteristics

The 1.9 CDTI 120 hp Astra H offered a competent, if not particularly exhilarating, driving experience. With 280 Nm (206.52 lb-ft) of torque available from 2000-2750 rpm, the engine provided ample pulling power for everyday driving situations. Acceleration from 0-60 mph took around 10 seconds, and top speed was approximately 120 mph. The six-speed manual gearbox was well-matched to the engine’s characteristics, allowing drivers to keep the engine in its optimal torque band. Compared to the 150 hp version, the 120 hp model felt less responsive, particularly at higher speeds. However, it offered noticeably better fuel economy. The suspension setup, featuring McPherson struts at the front and a torsion beam at the rear, provided a comfortable ride, although it wasn’t particularly sporty. Steering was light and precise, making the Astra easy to maneuver in urban environments.

Equipment & Trim Levels

The 1.9 CDTI 120 hp Astra H was typically offered in mid-range trim levels, such as Enjoy or Sport. Standard equipment generally included air conditioning, electric front windows, a CD stereo, and ABS brakes. Higher trim levels added features like alloy wheels, a multi-function steering wheel, cruise control, and upgraded interior trim. Optional extras included a sunroof, parking sensors, and a more advanced audio system. Interior upholstery was typically cloth, with the option of leather seats on higher-spec models. The dashboard layout was functional and well-designed, with clear instrumentation and intuitive controls.

Chassis & Braking

The Astra H utilized a front-wheel-drive chassis with independent suspension at the front and a torsion beam rear axle. The front suspension employed McPherson struts with coil springs and an anti-roll bar, while the rear suspension relied on a simpler torsion beam setup. This configuration provided a good balance between ride comfort and handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear, providing adequate stopping power for the vehicle’s weight and performance. ABS (Anti-lock Braking System) was standard, enhancing safety in emergency braking situations.

Market Reception & Comparison

The Opel Astra H 1.9 CDTI 120 hp was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and practical interior. However, some reviewers noted that the engine lacked the refinement and performance of some of its competitors. Compared to the 1.9 CDTI 150 hp version, the 120 hp model offered better fuel economy but less power. Against rivals like the Ford Focus and Volkswagen Golf, the Astra H 1.9 CDTI 120 hp offered a competitive package, particularly in terms of value for money. Its fuel economy figures of around 40.6 US mpg combined were particularly attractive to buyers seeking to minimize running costs.

Legacy

The Z19DT engine, while generally reliable, is known to require regular maintenance, particularly regarding the diesel particulate filter (DPF). Proper servicing and the use of high-quality oil are crucial for ensuring long-term durability. Today, the Astra H 1.9 CDTI 120 hp can be found on the used car market at affordable prices. It remains a practical and economical choice for those seeking a reliable family hatchback. While not a performance car, its blend of fuel efficiency, comfort, and practicality continues to appeal to a wide range of buyers. The Astra H, and particularly this engine variant, represents a solid and dependable offering from Opel during a period of significant development for the brand.

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