Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra H |
| Type (Engine) | 1.4i 16V (90 Hp) Automatic |
| Start of production | 2004 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.7 l/100 km (30.5 US mpg) |
| Fuel consumption (extra urban) | 5.2 l/100 km (45.2 US mpg) |
| Fuel consumption (combined) | 6.5 l/100 km (36.2 US mpg) |
| CO2 emissions | 151 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 15.2 sec |
| Acceleration 0 – 62 mph | 15.2 sec |
| Acceleration 0 – 60 mph | 14.4 sec |
| Maximum speed | 172 km/h (106.88 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 12.6 kg/Hp |
| Weight-to-torque ratio | 9 kg/Nm |
| Power | 90 Hp @ 5600 rpm |
| Torque | 125 Nm @ 4000 rpm (92.2 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z14XEP |
| Engine displacement | 1364 cm3 (83.24 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 73.4 mm (2.89 in.) |
| Piston Stroke | 80.6 mm (3.17 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Coolant capacity | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Kerb Weight | 1130 kg (2491.22 lbs.) |
| Max. weight | 1705 kg (3758.88 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 380 l (13.42 cu. ft.) |
| Trunk (boot) space – maximum | 1330 l (46.97 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 4249 mm (167.28 in.) |
| Width | 1753 mm (69.02 in.) |
| Width including mirrors | 2033 mm (80.04 in.) |
| Height | 1467 mm (57.76 in.) |
| Wheelbase | 2614 mm (102.91 in.) |
| Front track | 1488 mm (58.58 in.) |
| Rear track | 1488 mm (58.58 in.) |
| Front overhang | 871 mm (34.29 in.) |
| Rear overhang | 764 mm (30.08 in.) |
| Ride height (ground clearance) | 160 mm (6.3 in.) |
| Drag coefficient (Cd) | 0.31 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Spring Strut |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 195/65 R15 |
| Wheel rims size | 6.5J x 15 |
The Opel Astra H 1.4i 16V (90 hp) Automatic, produced between 2004 and 2006, represented an entry-level offering within the broader Astra H range (2004-2009). Positioned as a more affordable and fuel-efficient option, this variant catered to buyers prioritizing practicality and ease of use over outright performance. It was a key component of Opel’s strategy to offer a diverse lineup within the competitive C-segment hatchback market in Europe. The Astra H itself was a significant model for Opel, building upon the success of its predecessor and introducing a more refined and modern design. This particular engine and transmission combination aimed to provide a comfortable and economical driving experience for everyday commuting and family use.
Powertrain & Engine Architecture
The heart of this Astra H variant is the Z14XEP engine, a 1.4-liter inline-four cylinder petrol engine. This engine belongs to Opel’s ‘Family 1’ engine family, known for its relatively simple design and focus on fuel efficiency. The Z14XEP features a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to improved breathing and power delivery. Fuel is delivered via a multi-port fuel injection system, a common setup for engines of this era. The engine produces 90 horsepower at 5600 rpm and 125 Nm (92.2 lb-ft) of torque at 4000 rpm. Paired with this engine is a five-speed automatic transmission. This transmission, while providing convenience, was not known for its particularly quick shifts or sporty feel. It was selected to provide a smooth and comfortable driving experience, prioritizing ease of use over performance.
Driving Characteristics
The 1.4i Automatic Astra H offered a decidedly relaxed driving experience. Acceleration was modest, with a 0-60 mph time of around 14.4 seconds. The automatic transmission, while smooth, contributed to a noticeable lack of responsiveness compared to the available manual transmission options. Gear ratios were optimized for fuel economy rather than outright performance. In real-world driving, the engine felt strained when attempting brisk acceleration or overtaking maneuvers. However, for typical urban and highway commuting, the powertrain proved adequate. The focus was on providing a comfortable and predictable ride, making it a suitable choice for drivers who prioritized ease of use over sporty handling.
Equipment & Trim Levels
The 1.4i Automatic trim typically fell into the entry-level or mid-range category within the Astra H lineup. Standard equipment generally included power steering, central locking, electric front windows, and an audio system. Air conditioning was often an optional extra. Interior upholstery was typically cloth, with a relatively basic dashboard layout. Higher trim levels, such as the Sport or Elegance, offered upgrades like alloy wheels, upgraded audio systems, climate control, and more premium interior materials. The 1.4i Automatic was often seen as a practical choice for buyers who didn’t require the additional features offered by the higher trims.
Chassis & Braking
The Astra H 1.4i Automatic utilized a standard front suspension setup consisting of MacPherson struts. The rear suspension employed a torsion beam configuration, a cost-effective solution common in vehicles of this class. 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 during emergency braking situations. The suspension tuning was geared towards comfort, providing a relatively compliant ride over uneven road surfaces. Stabilizer bars were present, but their thickness was modest, reflecting the car’s focus on comfort rather than sporty handling.
Market Reception & Comparison
The Astra H 1.4i Automatic received mixed reviews. Critics generally praised its fuel efficiency and comfortable ride, but criticized its lack of performance. Compared to the more powerful 1.8-liter or turbocharged variants, the 1.4i Automatic felt significantly slower. The 1.9-liter diesel (CDTi) models offered superior fuel economy and torque, making them a popular choice for drivers covering long distances. However, the 1.4i Automatic remained a competitive option for buyers seeking an affordable and reliable hatchback with the convenience of an automatic transmission. Its fuel economy of around 36.2 US mpg combined was a key selling point.
Legacy
The Z14XEP engine, while not known for being particularly exciting, proved to be relatively reliable. Common issues included occasional oil leaks and sensor failures, but these were generally not major concerns. The five-speed automatic transmission also demonstrated reasonable durability. Today, the Astra H 1.4i Automatic can be found on the used car market at very affordable prices. It represents a practical and economical choice for budget-conscious buyers seeking a reliable hatchback for everyday transportation. While it may not offer the performance or features of more modern vehicles, its simplicity and affordability continue to make it a viable option.
