The Opel Astra J (facelift, introduced in 2012) 2.0 CDTI (165 hp) Ecotec start/stop represents a significant offering within the Astra J range, a compact family car manufactured by the German automaker Opel. This variant, produced from 2012 to 2015, was positioned as a mid-range option, bridging the gap between the more economical base models and the performance-oriented trims. It played a key role in Opel’s European market strategy, offering a balance of fuel efficiency, respectable performance, and modern features. The Astra J itself was based on the GM Delta II platform, shared with other vehicles like the Chevrolet Cruze.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J (facelift 2012) |
| Type (Engine) | 2.0 CDTI (165 Hp) Ecotec start/stop |
| Start of production | 2012 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.4-5.6 l/100 km (43.6 – 42 US mpg, 52.3 – 50.4 UK mpg, 18.5 – 17.9 km/l) |
| Fuel consumption (extra urban) | 4.0-4.1 l/100 km (58.8 – 57.4 US mpg, 70.6 – 68.9 UK mpg, 25 – 24.4 km/l) |
| Fuel consumption (combined) | 4.5-4.6 l/100 km (52.3 – 51.1 US mpg, 62.8 – 61.4 UK mpg, 22.2 – 21.7 km/l) |
| CO2 emissions | 119-123 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.2 sec |
| Acceleration 0 – 62 mph | 9.2 sec |
| Acceleration 0 – 60 mph | 8.7 sec |
| Maximum speed | 215 km/h (133.59 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.3 kg/Hp, 120.2 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 254.9 Nm/tonne |
| Power | 165 Hp @ 4000 rpm |
| Power per litre | 84.4 Hp/l |
| Torque | 350 Nm @ 1750-2500 rpm (258.15 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A20DTH |
| Engine displacement | 1956 cm3 (119.36 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 90.4 mm (3.56 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant | 6.9 l (7.29 US qt | 6.07 UK qt) |
| Kerb Weight | 1373 kg (3026.95 lbs.) |
| Max. weight | 1870 kg (4122.64 lbs.) |
| Max load | 497 kg (1095.7 lbs.) |
| Trunk (boot) space – minimum | 370 l (13.07 cu. ft.) |
| Trunk (boot) space – maximum | 1235 l (43.61 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4419 mm (173.98 in.) |
| Width | 1814 mm (71.42 in.) |
| Width with mirrors folded | 1831 mm (72.09 in.) |
| Width including mirrors | 2013 mm (79.25 in.) |
| Height | 1510 mm (59.45 in.) |
| Wheelbase | 2685 mm (105.71 in.) |
| Front track | 1541 mm (60.67 in.) |
| Rear (Back) track | 1551 mm (61.06 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| Front brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/60 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
At the heart of the Astra J 2.0 CDTI lies the A20DTH engine, a 1.956-liter inline-four cylinder diesel. This engine is a member of Opel’s Ecotec family, known for its focus on efficiency and refinement. The A20DTH utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A turbocharger with an intercooler further enhances performance by forcing more air into the cylinders. The engine produces 165 horsepower at 4,000 rpm and a substantial 350 Nm (258 lb-ft) of torque between 1,750 and 2,500 rpm. This broad torque curve provides strong pulling power across a wide range of engine speeds. The engine also incorporates a Start/Stop system, automatically shutting off the engine when the vehicle is stationary to reduce fuel consumption and emissions. The transmission is a six-speed manual gearbox, chosen for its efficiency and driver engagement.
Driving Characteristics
The 2.0 CDTI 165 hp variant of the Astra J offers a balanced driving experience. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 9.2 seconds, making it adequately quick for everyday driving and highway merging. The strong low-end torque makes overtaking maneuvers relatively effortless. Compared to the lower-powered 1.3 CDTI models, the 2.0 CDTI provides a noticeable performance boost. While not as sporty as the Astra GTC or OPC variants, it offers a comfortable and composed ride. The six-speed manual transmission allows for precise gear selection, and the gear ratios are well-matched to the engine’s torque curve. Fuel economy is a strong point, with combined figures ranging from 4.5 to 4.6 liters per 100 kilometers (52.3-51.1 US mpg).
Equipment & Trim Levels
The Astra J 2.0 CDTI typically came equipped with a respectable level of standard features. These included air conditioning, power windows, power mirrors, a CD/MP3 stereo system, and ABS brakes. Higher trim levels, such as the ‘Sport’ or ‘Cosmo’ variants, added features like alloy wheels, a touchscreen infotainment system, automatic climate control, cruise control, and parking sensors. Interior upholstery was typically cloth, with leather options available on higher trims. Optional extras included a panoramic sunroof, heated seats, and a navigation system.
Chassis & Braking
The Astra J utilizes a MacPherson strut front suspension and a torsion beam rear suspension. This setup provides a good balance of ride comfort and handling. The front brakes are ventilated discs, while the rear brakes are typically solid discs, although some earlier models may have featured drum brakes depending on the specific trim level and market. The steering is electrically assisted, providing a light and precise feel. The Astra J’s chassis is relatively lightweight, contributing to its agility and fuel efficiency.
Market Reception & Comparison
The Opel Astra J 2.0 CDTI was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined engine. However, some critics noted that the interior design was somewhat conservative and that the handling wasn’t as engaging as some of its rivals. Compared to the 1.3 CDTI models, the 2.0 CDTI offered a significant performance upgrade, making it a more appealing option for drivers who frequently travel on the highway or carry passengers. Compared to the petrol-powered Astra models, the 2.0 CDTI offered superior fuel economy and torque.
Legacy
The A20DTH engine, found in the Astra J 2.0 CDTI, has proven to be a relatively reliable powertrain. While diesel engines can be prone to issues with the diesel particulate filter (DPF) and turbocharger, the A20DTH is generally considered to be a robust and durable unit when properly maintained. In the used car market, the Astra J 2.0 CDTI remains a popular choice for buyers seeking a fuel-efficient and practical family car. Its combination of performance, economy, and features makes it a compelling option in its price range. Regular servicing, including oil changes and DPF maintenance, is crucial to ensure the long-term reliability of this powertrain.
