The Opel Astra J (facelift, introduced in 2012) 2.0 CDTI Ecotec, producing 165 horsepower, represented a significant offering within the Astra J range. Produced from 2012 to 2015, this variant occupied a mid-to-upper position in the lineup, appealing to drivers seeking a balance of performance, fuel efficiency, and refinement. It was a key model for Opel in the European market, competing directly with vehicles like the Volkswagen Golf, Ford Focus, and Peugeot 308. The facelift brought styling updates and technological enhancements to the Astra J, further solidifying its position as a competitive C-segment hatchback.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J (facelift 2012) |
| Type (Engine) | 2.0 CDTI (165 Hp) Ecotec |
| Start of production | 2012 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.9-6.1 l/100 km (39.9 – 38.6 US mpg) |
| Fuel consumption (extra urban) | 4.0-4.1 l/100 km (58.8 – 57.4 US mpg) |
| Fuel consumption (combined) | 4.7-4.8 l/100 km (50 – 49 US mpg) |
| CO2 emissions | 124-127 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9 sec |
| Acceleration 0 – 62 mph | 9 sec |
| Acceleration 0 – 60 mph | 8.6 sec |
| Maximum speed | 215 km/h (133.59 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.3 kg/Hp |
| Weight-to-torque ratio | 3.9 kg/Nm |
| Power | 165 Hp @ 4000 rpm |
| 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 capacity | 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 track | 1551 mm (61.06 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric |
| Tires size | 205/60 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the Astra J 2.0 CDTI was the A20DTH engine, a 1.956-liter inline-four cylinder diesel. This engine was a member of Opel’s Ecotec family, known for its focus on efficiency and reduced emissions. It utilized a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A turbocharger with an intercooler further enhanced performance, providing increased air intake to the engine. The engine featured four valves per cylinder, contributing to improved breathing and power output. The 165 horsepower and 350 Nm (258 lb-ft) of torque were respectable figures for a diesel engine of this displacement, providing a good balance between performance and fuel economy. The engine also incorporated a diesel particulate filter (DPF) to meet stringent Euro 5 emission standards.
Driving Characteristics
The 2.0 CDTI 165 hp variant offered a noticeably more spirited driving experience compared to the lower-powered 1.3 CDTI models. While not a sports car, the engine provided ample torque from low RPMs, making it easy to accelerate and overtake. The six-speed manual transmission was well-matched to the engine’s characteristics, offering precise shifts and allowing the driver to maintain optimal engine speed. Acceleration from 0-60 mph took approximately 8.6 seconds, and top speed was rated at 133.59 mph. The power delivery was linear and predictable, making it a comfortable and confidence-inspiring car to drive in various conditions. Compared to the petrol variants, the diesel offered superior fuel economy and torque, but lacked the high-revving nature of the gasoline engines.
Equipment & Trim Levels
The 2.0 CDTI 165 hp Astra J typically came in higher trim levels, such as Sport or Exclusive. Standard equipment often included air conditioning, power windows, central locking, a CD/MP3 stereo system, and alloy wheels. Higher trims added features like automatic climate control, a touchscreen infotainment system, parking sensors, and cruise control. Interior upholstery was typically cloth or a combination of cloth and leatherette. Optional extras included a panoramic sunroof, heated seats, and a navigation system. The overall interior design was modern and functional, with a focus on ergonomics and user-friendliness.
Chassis & Braking
The Astra J featured a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The steering was precise and well-weighted, offering good feedback to the driver. Braking duties were handled by ventilated discs on the front wheels and solid discs on the rear. Anti-lock Braking System (ABS) was standard, enhancing safety and stability during braking. The chassis was tuned to provide a comfortable yet engaging driving experience, suitable for both city driving and longer journeys.
Market Reception & Comparison
The Opel Astra J 2.0 CDTI 165 hp 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 materials weren’t as premium as those found in some of its competitors. Compared to the 1.3 CDTI, the 2.0 CDTI offered significantly more power and performance, making it a more appealing option for drivers who frequently travel long distances or carry passengers. Compared to the petrol variants, the diesel offered superior fuel economy and torque, but lacked the high-revving nature of the gasoline engines. The Astra J 2.0 CDTI was a strong contender in the competitive C-segment hatchback market.
Legacy
The A20DTH engine, while generally reliable, is known to require regular maintenance, particularly regarding the DPF system. Proper servicing and the use of high-quality diesel fuel are crucial to prevent issues. The Astra J 2.0 CDTI remains a popular choice in the used car market, offering a good balance of practicality, fuel efficiency, and performance. Its relatively simple mechanical design and readily available parts contribute to its affordability and ease of maintenance. However, potential buyers should be aware of the potential for DPF-related issues and ensure that the vehicle has been properly maintained.


