The Opel Astra H Sedan 1.6i 16V (115 hp) Automatic, produced between 2007 and 2010, represented a key entry point into the Astra H Sedan range for European buyers. Part of the broader Astra H generation (2004-2009), which utilized the GM Delta platform, this variant aimed to provide a comfortable and affordable family saloon with the convenience of an automatic transmission. It occupied a mid-range position within the sedan lineup, slotting below the more powerful 1.8L and diesel options, and above the base 1.4L models. The Astra H Sedan itself was designed to appeal to customers seeking a more traditional saloon body style compared to the hatchback, particularly in markets where sedans remained popular.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra H Sedan |
| Type (Engine) | 1.6i 16V (115 Hp) Automatic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.6 – 8.7 l/100 km (27.4 – 27 US mpg) |
| Fuel consumption (extra urban) | 5.1 – 5.2 l/100 km (46.1 – 45.2 US mpg) |
| Fuel consumption (combined) | 6.4 – 6.5 l/100 km (36.8 – 36.2 US mpg) |
| CO2 emissions | 153 – 154 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 12.7 sec |
| Acceleration 0 – 62 mph | 12.7 sec |
| Acceleration 0 – 60 mph | 12.1 sec |
| Maximum speed | 192 km/h (119.3 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10.7 kg/Hp |
| Weight-to-torque ratio | 7.9 kg/Nm |
| Power | 115 Hp @ 6000 rpm |
| Torque | 155 Nm @ 4000 rpm (114.32 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Z16XER |
| Engine displacement | 1598 cm3 (97.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79 mm (3.11 in.) |
| Piston Stroke | 81.5 mm (3.21 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| 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 | 1231 kg (2713.89 lbs.) |
| Max. weight | 1750 kg (3858.09 lbs.) |
| Max load | 519 kg (1144.2 lbs.) |
| Trunk (boot) space – maximum | 490 l (17.3 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4587 mm (180.59 in.) |
| Width | 1753 mm (69.02 in.) |
| Width with mirrors folded | 1804 mm (71.02 in.) |
| Width including mirrors | 2033 mm (80.04 in.) |
| Height | 1458 mm (57.4 in.) |
| Wheelbase | 2703 mm (106.42 in.) |
| Front track | 1488 mm (58.58 in.) |
| Rear track | 1479 mm (58.23 in.) |
| Ride height (ground clearance) | 170 mm (6.69 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11.50 m (37.73 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 4 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent, McPherson with coil spring and anti-roll bar |
| Rear suspension | Rigid axle suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 205 / 55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The Astra H Sedan 1.6i 16V Automatic was powered by the Opel/Vauxhall Z16XER engine, a 1.6-liter inline-four cylinder petrol engine. This engine belonged to the ‘Family 1’ engine family, known for its relatively simple design and durability. The Z16XER featured a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, and utilized multi-point fuel injection. This configuration allowed for reasonable power output and efficiency. The engine produced 115 horsepower at 6000 rpm and 155 Nm (114 lb-ft) of torque at 4000 rpm. Paired with this engine was a four-speed automatic transmission, offering a smoother driving experience than a manual gearbox, particularly in urban environments. While not a particularly advanced transmission by modern standards, it was reliable and well-suited to the engine’s power characteristics.
Driving Characteristics
The 1.6L Automatic Astra H Sedan offered a comfortable, if not particularly sporty, driving experience. Acceleration from 0-60 mph took around 12.1 seconds, and top speed was approximately 119 mph. The four-speed automatic transmission, while providing convenience, did result in noticeable gear changes and wasn’t as responsive as more modern automatic gearboxes. The gear ratios were optimized for fuel economy and smooth cruising rather than outright performance. Compared to the 1.8L versions, the 1.6L felt noticeably slower, especially during overtaking maneuvers. However, it offered better fuel economy and lower running costs. The suspension setup, featuring McPherson struts at the front and a rigid axle at the rear, provided a comfortable ride, absorbing bumps and imperfections in the road reasonably well.
Equipment & Trim Levels
The 1.6i 16V Automatic trim typically included standard features such as air conditioning, power windows, central locking, and an audio system. Safety features included ABS brakes and front airbags. Higher trim levels, often denoted by names like ‘Enjoy’ or ‘Cosmo’, added features like alloy wheels, upgraded upholstery, a multi-function steering wheel, and potentially climate control. Optional extras could include a sunroof, parking sensors, and a more advanced audio system. Interior upholstery was typically cloth, with a functional and durable design. The dashboard layout was straightforward and user-friendly, prioritizing practicality over aesthetics.
Chassis & Braking
The Astra H Sedan featured a front-wheel-drive layout. The front suspension utilized independent McPherson struts with a coil spring and anti-roll bar, while the rear suspension employed a rigid axle setup. This configuration provided a good balance between ride comfort and handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear. The ABS system helped to maintain steering control during emergency braking situations. The steering was rack and pinion, providing reasonably precise steering feel.
Market Reception & Comparison
The Astra H Sedan 1.6i 16V Automatic was generally well-received as a practical and affordable family car. Critics praised its comfortable ride, spacious interior, and reasonable fuel economy. However, the engine was often criticized for being underpowered, particularly when paired with the automatic transmission. Compared to the 1.8L versions, the 1.6L offered significantly lower performance but also lower running costs. The diesel variants provided even better fuel economy but came with a higher purchase price. In terms of reliability, the Z16XER engine was generally considered to be robust, although issues with the cooling system and oil leaks were occasionally reported.
Legacy
The Opel Astra H Sedan 1.6i 16V Automatic remains a relatively common sight on used car markets today. Its affordability and reputation for reliability make it an attractive option for budget-conscious buyers. While not a performance car, it provides a comfortable and practical mode of transportation. The Z16XER engine, while not particularly sophisticated, is known for its durability and relatively low maintenance costs. However, potential buyers should be aware of the potential for cooling system issues and oil leaks, and ensure that the vehicle has been properly maintained. The Astra H Sedan, in general, helped solidify Opel’s position as a major player in the European family car market.
