The Opel Astra J Sedan 1.3 CDTI (95 hp) ecoFLEX Start/Stop was a fuel-efficient variant of the Astra J Sedan, produced between 2012 and 2013. Positioned as an entry-level offering within the J Sedan range, it aimed to provide economical transportation with a focus on reducing emissions. This model was primarily marketed in Europe, where compact sedans and diesel engines were highly popular. It represented Opel’s commitment to offering eco-friendly options within its mainstream lineup, leveraging technologies like Start/Stop and optimized aerodynamics to achieve competitive fuel economy.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J Sedan |
| Type (Engine) | 1.3 CDTI (95 Hp) ecoFLEX Start/Stop |
| Start of production | 2012 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 4.7 l/100 km (50 US mpg, 60.1 UK mpg, 21.3 km/l) |
| Fuel consumption (extra urban) | 3.7 l/100 km (63.6 US mpg, 76.3 UK mpg, 27 km/l) |
| Fuel consumption (combined) | 4.1 l/100 km (57.4 US mpg, 68.9 UK mpg, 24.4 km/l) |
| CO2 emissions | 107 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 and type of gearbox | 6 gears, 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 ecoFLEX was the A13DTE engine, a 1.3-liter inline-four cylinder diesel. This engine was part of Opel’s family of small-displacement diesel engines designed for efficiency. It featured a turbocharger with an intercooler to boost power output, and a common rail direct fuel injection system for precise fuel delivery. The engine produced 95 horsepower at 4,000 rpm and 190 Nm (140 lb-ft) of torque between 1750 and 3250 rpm. The Start/Stop system automatically shut off the engine when the vehicle came to a halt, further reducing fuel consumption and emissions. The engine was transversely mounted in the front of the vehicle. The 6-speed manual transmission was the only transmission option available with this engine, prioritizing fuel economy over rapid acceleration.
Driving Characteristics
The 1.3 CDTI engine, paired with the 6-speed manual gearbox, provided adequate, though not exhilarating, performance. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 14.6 seconds. The engine’s torque characteristics meant that it felt relatively responsive in everyday driving situations, particularly for overtaking at highway speeds. However, it lacked the punch of higher-powered Astra J variants like the 1.6 Turbo or the 2.0 CDTI. The gear ratios were tuned for fuel efficiency, meaning the engine often needed to be revved to maintain speed on inclines. Compared to the more powerful diesel options, the 1.3 CDTI offered a smoother, quieter driving experience, but at the expense of outright performance.
Equipment & Trim Levels
The 1.3 CDTI ecoFLEX Start/Stop typically came with a base level of equipment, focusing on essential features. Standard equipment included air conditioning, power windows, central locking, and an audio system with USB connectivity. Safety features such as ABS, electronic stability control, and multiple airbags were also standard. Higher trim levels, available as options, added features like alloy wheels, cruise control, a more advanced audio system, and parking sensors. Interior upholstery was typically cloth, with a functional and durable design. The dashboard layout was consistent across the Astra J range, with a focus on ergonomics and ease of use.
Chassis & Braking
The Astra J Sedan featured 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, while the rear brakes were drums. This configuration was typical for entry-level Astra J models, balancing cost and performance. The electric power steering offered light and precise steering feel. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension tuning was geared towards comfort, making it suitable for everyday driving conditions.
Market Reception & Comparison
The Astra J Sedan 1.3 CDTI ecoFLEX Start/Stop was well-received by critics for its exceptional fuel economy and low emissions. It was often praised as a practical and affordable option for drivers seeking a cost-effective compact sedan. However, some reviewers noted its lack of performance compared to other Astra J variants. Compared to the 1.6-liter petrol engine, the 1.3 CDTI offered significantly better fuel economy but less power. The 2.0 CDTI diesel provided more performance but at a higher price point and with increased running costs. The ecoFLEX model’s focus on efficiency made it a popular choice for fleet buyers and environmentally conscious consumers.
Legacy
The A13DTE engine, while not known for being a powerhouse, proved to be a relatively reliable unit when properly maintained. Common issues included diesel particulate filter (DPF) clogging, particularly on vehicles used primarily for short trips. Regular servicing and the use of high-quality diesel fuel were crucial for maintaining its longevity. On the used car market, the Astra J Sedan 1.3 CDTI ecoFLEX Start/Stop remains an affordable option for those seeking a fuel-efficient and practical compact sedan. Its low running costs and relatively simple mechanical design make it an attractive choice for budget-conscious buyers. However, potential buyers should be aware of the potential for DPF issues and ensure the vehicle has been well-maintained.
