2004-2009 Vauxhall Astra Mk V CC 1.8 (125 Hp)

The Vauxhall Astra Mk V CC 1.8, produced between 2004 and 2009, represented a key offering within the broader Astra Mk V (H) range. Positioned as a mid-range option, this variant combined a 1.8-liter naturally aspirated engine with a five-speed manual transmission, aiming to provide a balance of performance and affordability for the UK and European markets. The “CC” designation signified a Comfort/Club trim level, offering a step up in features compared to the base models. This generation Astra, built on the GM Delta platform, was a significant model for Vauxhall, aiming to compete directly with established rivals like the Ford Focus and Volkswagen Golf.

Technical Specifications

Brand Vauxhall
Model Astra
Generation Astra Mk V CC
Type (Engine) 1.8 (125 Hp)
Start of production 2004
End of production 2009
Powertrain Architecture Internal Combustion engine
Body type Hatchback
Seats 5
Doors 5
Fuel consumption (urban) 10.4 l/100 km (22.6 US mpg, 27.2 UK mpg, 9.6 km/l)
Fuel consumption (extra urban) 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l)
Fuel consumption (combined) 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l)
CO2 emissions 185 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 11.1 sec
Acceleration 0 – 62 mph 11.1 sec
Acceleration 0 – 60 mph 10.5 sec
Maximum speed 188 km/h (116.82 mph)
Weight-to-power ratio 9.6 kg/Hp, 103.9 Hp/tonne
Weight-to-torque ratio 6.9 kg/Nm, 145.5 Nm/tonne
Power 125 Hp @ 5600 rpm
Power per litre 69.6 Hp/l
Torque 175 Nm @ 3800 rpm (129.07 lb.-ft. @ 3800 rpm)
Engine layout Front, Transverse
Engine Model/Code Z18XE
Engine displacement 1796 cm3 (109.6 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 80.5 mm (3.17 in.)
Piston Stroke 88.2 mm (3.47 in.)
Compression ratio 10.5:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Engine oil capacity 4.25 l (4.49 US qt | 3.74 UK qt)
Coolant 6.5 l (6.87 US qt | 5.72 UK qt)
Kerb Weight 1203 kg (2652.16 lbs.)
Max. weight 1760 kg (3880.14 lbs.)
Max load 557 kg (1227.97 lbs.)
Trunk (boot) space – minimum 350 l (12.36 cu. ft.)
Trunk (boot) space – maximum 1270 l (44.85 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.)
Ride height (ground clearance) 140 mm (5.51 in.)
Drag coefficient (Cd) 0.32
Drive wheel Front wheel drive
Number of gears and type of gearbox 5 gears, manual transmission
Front brakes Ventilated discs
Rear brakes Disc
Tires size 205/55 R16
Wheel rims size 16

Powertrain & Engine Architecture

The heart of the Astra Mk V CC 1.8 was the Z18XE engine, an 1796cc inline-four cylinder petrol engine. This engine was a mainstay of Vauxhall/Opel’s lineup for several years, known for its relative simplicity and durability. It featured a multi-port fuel injection system, delivering fuel directly into the intake ports, and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration allowed for reasonable power output and efficient combustion. The Z18XE produced 125 horsepower at 5600 rpm and 175 Nm (129 lb-ft) of torque at 3800 rpm. The five-speed manual transmission offered precise shifts and contributed to the car’s overall driving experience. The transmission’s gear ratios were tuned for a balance between acceleration and fuel economy, prioritizing usability over outright performance.

Driving Characteristics

The 1.8-liter engine, paired with the manual transmission, provided adequate performance for everyday driving. Acceleration from 0-60 mph took around 10.5 seconds, and the top speed was approximately 116.82 mph. While not a particularly sporty setup, it offered sufficient power for overtaking and merging onto highways. Compared to the more powerful 2.0-liter Turbo or the diesel variants, the 1.8 felt less responsive, particularly at higher speeds. However, the lighter engine weight contributed to better handling and a more balanced feel in corners. The five-speed gearbox was well-matched to the engine’s powerband, allowing drivers to keep the engine in its optimal rev range for most driving situations.

Equipment & Trim Levels

The Astra Mk V CC 1.8 typically came equipped with features such as air conditioning, power steering, electric front windows, and a basic audio system. The “CC” trim level added features like alloy wheels, body-colored bumpers and door handles, and upgraded interior trim. Optional extras included a sunroof, upgraded audio systems, and parking sensors. Interior upholstery was typically cloth, with a functional and durable design. The dashboard layout was straightforward and easy to use, with clearly labeled controls.

Chassis & Braking

The Astra Mk V CC 1.8 utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a comfortable ride quality while maintaining reasonable handling characteristics. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The car rode on 205/55 R16 tires, providing a good balance of grip and comfort. The steering was precise and responsive, making the car easy to maneuver in urban environments.

Market Reception & Comparison

The Astra Mk V CC 1.8 was generally well-received by critics as a practical and affordable family car. It offered a good balance of features, performance, and fuel economy. However, some reviewers noted that the engine lacked the punch of the more powerful variants. Compared to the 2.0-liter Turbo, the 1.8 offered significantly lower performance but also better fuel economy and lower running costs. The diesel variants provided even better fuel economy but were generally more expensive to purchase and maintain. The Astra Mk V CC 1.8 represented a sensible choice for buyers looking for a reliable and economical hatchback.

Legacy

The Z18XE engine, found in the Astra Mk V CC 1.8, has proven to be a relatively reliable powertrain. While not without its potential issues (such as occasional oil leaks and timing chain wear), it is generally considered a durable engine when properly maintained. Today, these Astras are readily available on the used car market at affordable prices. They represent a good value for buyers looking for a practical and economical car, although potential buyers should be aware of the age-related issues that may arise with any older vehicle. The Astra Mk V CC 1.8 remains a popular choice for first-time drivers and those seeking a dependable and affordable mode of transportation.

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