The Opel Astra J (facelift, introduced in 2012) 1.4 Ecotec, producing 100 horsepower, represented an entry-level offering within the broader Astra J range. Produced from 2012 through 2015, this variant was primarily aimed at buyers seeking a fuel-efficient and affordable compact hatchback. It occupied a key position in the lineup, providing a more accessible price point compared to higher-powered versions like the 1.6 Turbo or the diesel variants. The facelift brought styling updates and refinements to the Astra J, enhancing its appeal in the competitive European C-segment.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J (facelift 2012) |
| Type (Engine) | 1.4 (100 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) | 7.4 l/100 km (31.8 US mpg) |
| Fuel consumption (extra urban) | 4.9 l/100 km (48 US mpg) |
| Fuel consumption (combined) | 5.8 l/100 km (40.6 US mpg) |
| CO2 emissions | 136 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 13.9 sec |
| Acceleration 0 – 62 mph | 13.9 sec |
| Acceleration 0 – 60 mph | 13.2 sec |
| Maximum speed | 178 km/h (110.6 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 13.7 kg/Hp |
| Weight-to-torque ratio | 10.6 kg/Nm |
| Power | 100 Hp @ 6000 rpm |
| Torque | 130 Nm @ 4000 rpm (95.88 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A14XER |
| Engine displacement | 1398 cm3 (85.31 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 73.4 mm (2.89 in.) |
| Piston Stroke | 82.6 mm (3.25 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant capacity | 6.2 l (6.55 US qt | 5.46 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.) |
| Permitted trailer load with brakes (12%) | 850 kg (1873.93 lbs.) |
| Permitted trailer load without brakes | 670 kg (1477.1 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 | 1544 mm (60.79 in.) |
| Rear track | 1554 mm (61.18 in.) |
| Ride height (ground clearance) | 165 mm (6.5 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
Powertrain & Engine Architecture
The Astra J 1.4 Ecotec utilized the A14XER engine code, a naturally aspirated, four-cylinder inline engine displacing 1398 cc. This engine featured multi-point fuel injection and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine was designed with fuel efficiency in mind, employing technologies like variable valve timing to optimize combustion. The 100 horsepower output was achieved at 6000 rpm, with peak torque of 130 Nm (95.88 lb-ft) delivered at 4000 rpm. The engine’s relatively modest power output was paired with a five-speed manual transmission, which was the standard offering for this trim level. While an automatic transmission was available in some markets, it was less common with this specific engine.
Driving Characteristics
The 1.4 Ecotec with the five-speed manual transmission provided adequate, though not exhilarating, performance. Acceleration from 0-60 mph took approximately 13.2 seconds, and top speed was around 110.6 mph. The gear ratios were tuned for fuel economy rather than outright speed. The engine felt somewhat strained when pushed hard, particularly when fully loaded or climbing hills. Compared to the 1.6 Turbo or diesel variants, the 1.4 offered a less responsive driving experience. However, its lighter weight and simpler mechanicals contributed to a more nimble feel in city driving. The manual transmission offered precise shifts, but the relatively long throw could feel less engaging than sportier gearboxes.
Equipment & Trim Levels
The 1.4 Ecotec typically represented the base trim level for the Astra J. Standard equipment generally included air conditioning, power windows, power door locks, a basic audio system with USB connectivity, and ABS brakes. Safety features like front and side airbags were also standard. Higher trim levels added features such as alloy wheels, a more advanced infotainment system, cruise control, and automatic climate control. Optional extras for the 1.4 Ecotec included parking sensors, a sunroof, and upgraded upholstery.
Chassis & Braking
The Astra J featured a MacPherson strut front suspension and a torsion beam rear suspension. The torsion beam setup was a cost-effective solution commonly used in vehicles of this class. Braking was typically accomplished with disc brakes on the front wheels and drum brakes on the rear. The suspension was tuned for comfort, providing a reasonably smooth ride over most road surfaces. Stabilizer bars were included to reduce body roll during cornering, but the handling was not as sharp as that of more performance-oriented Astra J models.
Market Reception & Comparison
The Astra J 1.4 Ecotec was generally well-received as a practical and affordable family hatchback. Critics praised its fuel efficiency and comfortable ride, but noted its lack of outright performance. Compared to the 1.6 Turbo, the 1.4 offered significantly less power, but also lower running costs. The diesel variants provided better fuel economy and torque, but at a higher purchase price. The 1.4 Ecotec appealed to buyers who prioritized economy and practicality over sporty driving dynamics.
Legacy
The A14XER engine, while not known for being particularly groundbreaking, proved to be relatively reliable. Common issues included occasional oil leaks and potential problems with the cooling system. However, with regular maintenance, these engines could provide many years of service. On the used car market, the Astra J 1.4 Ecotec remains an affordable option for buyers seeking a dependable and economical compact hatchback. Its simplicity and relatively low maintenance costs make it an attractive choice for first-time car owners or those on a budget. The availability of spare parts is generally good, further contributing to its long-term viability.


