The Opel Astra J Sedan 1.3 CDTI (95 hp) was a European-market variant of the Astra J Sedan, produced from 2012 to 2013. Positioned as an entry-level offering within the J Sedan range, it aimed to provide fuel efficiency and affordability. This model occupied the lower end of the powertrain spectrum, contrasting with more powerful gasoline and diesel options available in the lineup. It was built on the GM Delta II platform, also known as the 1HX0, shared with other compact models of the era. The Astra J Sedan, in general, represented Opel’s attempt to modernize its compact offerings and compete more effectively in the crowded European C-segment.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J Sedan |
| Type (Engine) | 1.3 CDTI (95 Hp) |
| Start of production | 2012 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (extra urban) | 3.6 l/100 km (65.3 US mpg, 78.5 UK mpg, 27.8 km/l) |
| Fuel consumption (combined) | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| CO2 emissions | 111 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 14.6 sec |
| Acceleration 0 – 62 mph | 14.6 sec |
| Acceleration 0 – 60 mph | 13.9 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 14.8 kg/Hp, 67.6 Hp/tonne |
| Weight-to-torque ratio | 7.4 kg/Nm, 135.2 Nm/tonne |
| Power | 95 Hp @ 4000 rpm |
| Power per litre | 76.1 Hp/l |
| Torque | 190 Nm @ 1750-3250 rpm (140.14 lb.-ft. @ 1750-3250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A13DTE |
| Engine displacement | 1248 cm3 (76.16 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 69.6 mm (2.74 in.) |
| Piston Stroke | 82 mm (3.23 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Coolant | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Kerb Weight | 1405 kg (3097.49 lbs.) |
| Max. weight | 1955 kg (4310.04 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1010 l (35.67 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Length | 4658 mm (183.39 in.) |
| Width | 1814 mm (71.42 in.) |
| Width including mirrors | 2013 mm (79.25 in.) |
| Height | 1500 mm (59.06 in.) |
| Wheelbase | 2685 mm (105.71 in.) |
| Front track | 1544 mm (60.79 in.) |
| Rear (Back) track | 1558 mm (61.34 in.) |
| Front overhang | 974 mm (38.35 in.) |
| Rear overhang | 999 mm (39.33 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Minimum turning circle | 11.5 m (37.73 ft.) |
| Drivetrain Architecture | 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; 215/50/R17 |
| Wheel rims size | 16; 17 |
Powertrain & Engine Architecture
The heart of the Astra J Sedan 1.3 CDTI was the A13DTE engine, a 1.3-liter inline-four cylinder diesel. This engine was part of Opel/Fiat’s family of small-displacement diesel engines, developed jointly. It featured a turbocharger with an intercooler to boost power output, and a common rail direct fuel injection system for improved efficiency and reduced emissions. The engine produced 95 horsepower at 4000 rpm and 190 Nm (140 lb-ft) of torque between 1750 and 3250 rpm. The engine utilized a four-valve-per-cylinder configuration and met Euro 5 emission standards. The engine was paired with a six-speed manual transmission, which was the standard offering for this variant. While an automatic transmission was available on other Astra J Sedan models, it was not offered with the 1.3 CDTI engine.
Driving Characteristics
The 1.3 CDTI with the manual transmission delivered modest performance. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 14.6 seconds, and top speed was limited to 180 km/h (112 mph). The engine’s torque characteristics made it reasonably drivable in everyday situations, providing adequate pulling power for overtaking and climbing hills. However, it lacked the punch of the larger 1.6-liter diesel or gasoline engines available in the Astra J range. The six-speed manual transmission helped to keep engine speeds within the optimal torque band, improving fuel economy. Compared to the more powerful variants, the 1.3 CDTI prioritized fuel efficiency over outright performance.
Equipment & Trim Levels
The 1.3 CDTI typically came with a base level of equipment, reflecting its position as the entry-level model. Standard features generally included air conditioning, power windows, power mirrors, a basic audio system, and ABS brakes. Higher trim levels, such as ‘Enjoy’ and ‘Cosmo’, added features like alloy wheels, cruise control, a more advanced audio system, and additional safety equipment. Interior upholstery was typically cloth, and the dashboard featured a functional but relatively simple design. Optional extras included parking sensors, a sunroof, and upgraded infotainment systems.
Chassis & Braking
The Astra J Sedan 1.3 CDTI utilized a MacPherson strut front suspension and a torsion beam rear suspension. The front brakes were ventilated discs, while the rear brakes were typically drum brakes, although some higher trim levels featured rear discs. The steering was electric power-assisted, providing a light and responsive feel. The suspension was tuned for comfort, offering a reasonably smooth ride quality. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra J Sedan 1.3 CDTI was generally well-received for its fuel efficiency and affordability. Critics noted that it provided a practical and economical option for buyers seeking a compact sedan. However, the engine’s limited power output was a common criticism. Compared to the 1.6-liter diesel and gasoline variants, the 1.3 CDTI offered significantly lower performance but superior fuel economy. The 1.6-liter diesel, while more expensive, provided a better balance of performance and efficiency. The 1.3 CDTI was primarily targeted at buyers who prioritized fuel economy and low running costs over driving excitement.
Legacy
The 1.3 CDTI engine, while not known for its longevity or high performance, proved to be reasonably reliable in the Astra J Sedan. Common issues included turbocharger failures and diesel particulate filter (DPF) clogging, particularly on vehicles that were primarily used for short trips. However, with regular maintenance and careful driving, the engine could provide many years of service. In the used car market, the Astra J Sedan 1.3 CDTI remains an affordable option for buyers seeking a fuel-efficient and practical compact sedan. Its low purchase price and relatively low running costs make it an attractive choice for budget-conscious buyers.
