The Opel Astra J Sedan 1.6 (115 hp) Automatic, produced from 2012 to 2018, represented a key entry point into the Astra J Sedan range. Positioned as a comfortable and practical option, it catered to buyers prioritizing ease of use and fuel efficiency over outright performance. This variant was part of the J generation of the Astra, built on the GM Delta II platform (also known as the 1HX0 platform), and aimed to compete with other compact sedans in the European market. The Astra J Sedan itself was Opel’s attempt to offer a more traditional three-box sedan body style alongside the more popular hatchback version, specifically targeting markets where sedans remained highly favored.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J Sedan |
| Type (Engine) | 1.6 (115 Hp) Automatic |
| Start of production | 2012 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9.9-10.1 l/100 km (23.8 – 23.3 US mpg) |
| Fuel consumption (extra urban) | 5.5-5.8 l/100 km (42.8 – 40.6 US mpg) |
| Fuel consumption (combined) | 7.1-7.4 l/100 km (33.1 – 31.8 US mpg) |
| CO2 emissions | 167-173 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 13.3 sec |
| Acceleration 0 – 62 mph | 13.3 sec |
| Acceleration 0 – 60 mph | 12.6 sec |
| Maximum speed | 185 km/h (114.95 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.3 kg/Hp |
| Weight-to-torque ratio | 9.2 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 | A16XER |
| 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.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Kerb Weight | 1420 kg (3130.56 lbs.) |
| Max. weight | 1955 kg (4310.04 lbs.) |
| Max load | 535 kg (1179.47 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 | 1541 mm (60.67 in.) |
| Rear track | 1551 mm (61.06 in.) |
| Front overhang | 974 mm (38.35 in.) |
| Rear overhang | 999 mm (39.33 in.) |
| Minimum turning circle | 11.5 m (37.73 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Automatic 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 R15; 215/50 R17 |
| Wheel rims size | 15; 17 |
Powertrain & Engine Architecture
The Astra J Sedan 1.6 Automatic was powered by the Opel/Vauxhall A16XER engine, a 1.6-liter inline-four cylinder gasoline engine. This engine featured multi-point fuel injection and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. The A16XER was known for its relatively simple design and reasonable reliability. 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 six-speed automatic transmission, offering smooth shifts but prioritizing fuel economy over rapid acceleration. This transmission was a conventional torque converter automatic, not a continuously variable transmission (CVT) or dual-clutch transmission (DCT).
Driving Characteristics
The 1.6-liter engine and six-speed automatic combination delivered adequate, but not exhilarating, performance. Acceleration from 0-60 mph took around 12.6 seconds, and top speed was approximately 115 mph. The automatic transmission was tuned for comfort and efficiency, resulting in relatively relaxed gear changes. Compared to the more powerful 1.4 Turbo or 1.6 Turbo variants, the 1.6 Automatic felt noticeably slower, particularly during overtaking maneuvers. However, it offered a smoother and more refined driving experience than the base 1.4-liter engine, especially in city driving. The gear ratios were optimized for fuel economy, meaning the engine often operated at lower RPMs during cruising.
Equipment & Trim Levels
The Astra J Sedan 1.6 Automatic typically came with a reasonable level of standard equipment. This included air conditioning, power windows, power mirrors, a basic audio system with USB connectivity, and ABS brakes. Higher trim levels, such as ‘Enjoy’ or ‘Cosmo’, added features like alloy wheels, cruise control, automatic headlights and rain-sensing wipers, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available on higher trims. Optional extras included a navigation system, parking sensors, and a sunroof.
Chassis & Braking
The Astra J Sedan featured a MacPherson strut front suspension and a torsion beam rear suspension. The torsion beam setup was a cost-effective solution commonly used in compact cars. Braking consisted of ventilated discs on the front wheels and drum brakes on the rear wheels. ABS (Anti-lock Braking System) was standard. The suspension was tuned for comfort, providing a reasonably smooth ride, although it wasn’t particularly sporty. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra J Sedan 1.6 Automatic was generally well-received as a practical and affordable family car. Critics praised its comfortable ride, spacious interior, and decent fuel economy. However, it was often criticized for its lack of performance and somewhat uninspired styling. Compared to the 1.4 Turbo version, the 1.6 Automatic offered lower running costs but significantly less power. The 1.6 diesel variants provided better fuel economy but came with a higher purchase price. The Astra J Sedan competed with rivals such as the Ford Focus Sedan, Volkswagen Jetta, and Peugeot 308.
Legacy
The A16XER engine, while generally reliable, is known to have some potential issues, including occasional oil leaks and timing chain wear, particularly if maintenance was neglected. The six-speed automatic transmission is also generally durable, but regular fluid changes are crucial for longevity. Today, the Astra J Sedan 1.6 Automatic represents a relatively affordable used car option. Its simplicity and reasonable running costs make it a practical choice for budget-conscious buyers. However, potential buyers should be aware of the engine’s potential weaknesses and ensure a thorough inspection before purchase.
