The Opel Astra H Caravan 1.9 CDTI, producing 120 horsepower, was a significant variant within the broader Astra H range (2004-2009). Introduced in July 2005 and remaining in production through 2006, this model occupied a middle ground in the lineup, offering a balance between fuel efficiency, practicality, and reasonable performance for European buyers. The Astra H, representing the fourth generation of the Astra, was a crucial model for Opel, aiming to compete directly with established rivals like the Ford Focus and Volkswagen Golf in the compact family car segment. The Caravan body style, Opel’s designation for a station wagon, added enhanced cargo capacity, making it a popular choice for families and those requiring versatile transportation.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra H Caravan |
| Type (Engine) | 1.9 CDTI (120 Hp) |
| Start of production | July, 2005 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.5 l/100 km (31.4 US mpg) |
| Fuel consumption (extra urban) | 5 l/100 km (47 US mpg) |
| Fuel consumption (combined) | 5.9 l/100 km (39.9 US mpg) |
| CO2 emissions | 161 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.8 sec |
| Acceleration 0 – 62 mph | 10.8 sec |
| Acceleration 0 – 60 mph | 10.3 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 11.3 kg/Hp |
| Weight-to-torque ratio | 5.4 kg/Nm |
| Power | 120 Hp @ 3250 rpm |
| Torque | 250 Nm @ 1750 rpm (184.39 lb.-ft. @ 1750 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 |
| Valvetrain | DOHC |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1350 kg (2976.24 lbs.) |
| Max. weight | 1975 kg (4354.13 lbs.) |
| Max load | 625 kg (1377.89 lbs.) |
| Trunk (boot) space – minimum | 540 l (19.07 cu. ft.) |
| Trunk (boot) space – maximum | 1590 l (56.15 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 4515 mm (177.76 in.) |
| Width | 1794 mm (70.63 in.) |
| Height | 1500 mm (59.06 in.) |
| Wheelbase | 2703 mm (106.42 in.) |
| Front track | 1488 mm (58.58 in.) |
| Rear track | 1488 mm (58.58 in.) |
| Front overhang | 871 mm (34.29 in.) |
| Rear overhang | 941 mm (37.05 in.) |
| Ride height (ground clearance) | 160 mm (6.3 in.) |
| Drag coefficient (Cd) | 0.31 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 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 | 205/55 R16 |
| Wheel rims size | 6.5J X 16 |
Powertrain & Engine Architecture
The heart of the Astra H Caravan 1.9 CDTI was the Z19DT engine, a 1.9-liter inline-four cylinder diesel. This engine was a mainstay of Opel and Vauxhall’s offerings during the mid-2000s, known for its relatively robust construction and fuel efficiency. The Z19DT utilized a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure. This technology, coupled with a turbocharger and intercooler, allowed for a good balance of power and economy. The engine featured a double overhead camshaft (DOHC) valvetrain with two valves per cylinder. The 120 horsepower output was achieved at 3250 rpm, while peak torque of 250 Nm (184 lb-ft) was available from just 1750 rpm, providing ample pulling power for everyday driving. The engine was transversely mounted in the front of the vehicle. The 6-speed manual transmission was the standard offering, providing a good spread of gears for both fuel efficiency and performance.
Driving Characteristics
The 1.9 CDTI 120 hp variant of the Astra H Caravan offered a comfortable and practical driving experience. While not particularly sporty, the engine provided sufficient power for typical commuting and highway cruising. Acceleration from 0-60 mph took around 10.3 seconds, and the top speed was approximately 118 mph. The turbocharger provided a noticeable boost in power during acceleration, but there was some degree of turbo lag. The manual transmission was well-matched to the engine, with smooth gear changes. The Caravan’s suspension was tuned for comfort, providing a relatively soft ride, although this could result in some body roll during cornering. Compared to the more powerful 1.9 CDTI variants (150 hp), this version felt less eager to accelerate, but it offered significantly better fuel economy. The 1.9 CDTI 120 hp was also a more relaxed drive than the petrol-powered Astra models.
Equipment & Trim Levels
The Astra H Caravan 1.9 CDTI 120 hp typically came with a reasonable level of standard equipment. This included central locking, electric front windows, power steering, and an ABS anti-lock braking system. Air conditioning was often included, but could be an optional extra depending on the specific market and trim level. Interior upholstery was typically cloth, with a functional and durable design. Higher trim levels offered upgrades such as alloy wheels, rear electric windows, a CD stereo system, and climate control. Optional extras included a sunroof, parking sensors, and upgraded audio systems.
Chassis & Braking
The Astra H Caravan featured a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling. The front brakes were ventilated discs, while the rear brakes were solid discs. The steering was a rack and pinion system, offering precise and responsive control. The Caravan’s chassis was designed to accommodate the increased weight and cargo capacity of the station wagon body style. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra H Caravan 1.9 CDTI 120 hp was generally well-received by automotive critics. It was praised for its fuel efficiency, practicality, and comfortable ride. However, some critics noted that the engine could feel underpowered when fully loaded or driving uphill. Compared to other trims in the Astra H lineup, the 1.9 CDTI 120 hp offered the best fuel economy, making it an attractive option for drivers who prioritized running costs. It was a more affordable alternative to the more powerful 1.9 CDTI 150 hp and the petrol-powered models.
Legacy
The Z19DT engine, while generally reliable, is known to have some potential issues, including turbocharger failure and injector problems. Regular maintenance, including oil changes and injector cleaning, is crucial for ensuring long-term reliability. Today, the Astra H Caravan 1.9 CDTI 120 hp can be found on the used car market at relatively affordable prices. It remains a practical and economical choice for those seeking a spacious and fuel-efficient family car. Its reputation for reliability, combined with its reasonable running costs, makes it a popular option for budget-conscious buyers.
