The Vauxhall Astra Mk V CC 1.9 CDTi, produced between 2004 and 2009, represented a significant offering in the British compact car market. Part of the broader Astra Mk V (H) generation – internally designated as the 1HX0/A3 platform – this variant combined a fuel-efficient diesel engine with a six-speed manual transmission, aiming to balance performance with practicality. Positioned as a mid-range option within the Astra lineup, it slotted between the lower-powered petrol engines and the more expensive, higher-performance variants like the SRi. The “CC” designation signified a coupe-cabriolet body style, offering open-top motoring alongside the practicality of a hatchback.
Technical Specifications
| Brand | Vauxhall |
| Model | Astra |
| Generation | Astra Mk V CC |
| Type (Engine) | 1.9 CDTi (120 Hp) |
| Start of production | 2004 |
| 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 | 9.8 sec |
| Acceleration 0 – 62 mph | 9.8 sec |
| Acceleration 0 – 60 mph | 9.3 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Weight-to-power ratio | 11.2 kg/Hp |
| Weight-to-torque ratio | 4.8 kg/Nm |
| Power | 120 Hp @ 3500 rpm |
| Torque | 279 Nm @ 2375 rpm (205.78 lb.-ft. @ 2375 rpm) |
| 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 | 17.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| 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 | 1345 kg (2965.22 lbs.) |
| Max. weight | 1900 kg (4188.78 lbs.) |
| Max load | 555 kg (1223.57 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 track | 1488 mm (58.58 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.32 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | 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 1.9 CDTi was the Z19DT engine, a 1.9-liter inline-four cylinder diesel. This engine was a common sight in various Vauxhall/Opel models of the era, known for its robust construction and relatively simple mechanicals. It utilized a common rail direct injection system, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. A turbocharger with an intercooler was employed to boost power output, providing 120 horsepower at 3500 rpm and a substantial 279 Nm (205.78 lb-ft) of torque at 2375 rpm. The engine featured a two-valve per cylinder configuration and a compression ratio of 17.5:1. The six-speed manual transmission offered precise gear changes and helped to maximize fuel economy. The gearbox ratios were tuned to provide a balance between acceleration and cruising efficiency.
Driving Characteristics
The 1.9 CDTi engine, paired with the six-speed manual, provided a surprisingly capable driving experience. While not a sports car, the Astra CC offered brisk acceleration, achieving 0-60 mph in around 9.3 seconds. The plentiful torque made overtaking at highway speeds relatively effortless. Compared to the lower-powered petrol versions, the diesel offered significantly more pulling power, especially at lower engine speeds. However, it lacked the responsiveness and high-revving nature of the petrol engines. The manual transmission allowed for greater driver control compared to the optional automatic gearbox available on other Astra variants. The gear ratios were well-spaced, contributing to both fuel efficiency and enjoyable driving dynamics.
Equipment & Trim Levels
The Astra Mk V CC 1.9 CDTi typically came equipped with a reasonable level of standard features. These included central locking, electric front windows, a CD stereo, and alloy wheels. Higher trim levels, such as the Design or SRi, added features like air conditioning, cruise control, rain-sensing wipers, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available on higher-spec models. The dashboard layout was functional and straightforward, with a clear instrument cluster. Optional extras included a panoramic sunroof, parking sensors, and a more advanced audio system.
Chassis & Braking
The Astra Mk V CC utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The steering was hydraulically assisted, providing a reasonably direct feel. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension was tuned to prioritize comfort over outright sportiness, making it a pleasant car for long journeys.
Market Reception & Comparison
The Astra Mk V CC 1.9 CDTi was generally well-received by automotive critics. It was praised for its fuel efficiency, strong torque output, and comfortable ride. However, some reviewers noted that the engine could be somewhat noisy and that the interior plastics felt a little low-rent. Compared to other trims in the Astra lineup, the 1.9 CDTi offered a compelling blend of performance and economy. It was more expensive than the entry-level petrol models but cheaper than the higher-powered SRi variants. In terms of fuel economy, it significantly outperformed the petrol engines, making it a popular choice for drivers covering long distances.
Legacy
The Z19DT engine, found in the Astra Mk V CC 1.9 CDTi, proved to be a relatively reliable unit when properly maintained. Common issues included turbocharger failure and problems with the fuel injectors, but these were not widespread. Today, these Astras can be found on the used car market at affordable prices. They represent a practical and economical option for those seeking a comfortable and fuel-efficient compact car. While not a particularly exciting vehicle, the Astra Mk V CC 1.9 CDTi remains a solid and dependable choice for everyday transportation, and its robust diesel engine continues to provide years of service with proper care.




