The Opel Astra F 1.4 Si Automatic, produced between 1992 and 1994, represented an entry-level offering within the broader Astra F range (1991-1998). Positioned as a practical and affordable option, this variant combined a modest 1.4-liter engine with a four-speed automatic transmission. It was primarily aimed at buyers prioritizing ease of use and fuel efficiency over outright performance. The Astra F itself was a significant model for Opel, representing a substantial leap forward in terms of design, safety, and technology compared to its predecessor, the Astra GTE. It was built on the GM T-platform, also known as the 1HX0/A3 platform, shared with other vehicles like the Vauxhall/Chevrolet Astra, and Isuzu Gemini.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra F |
| Type (Engine) | 1.4 Si (82 Hp) Automatic |
| Start of production | 1992 |
| End of production | 1994 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Fuel consumption (urban) | 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (combined) | 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 14.5 sec |
| Acceleration 0 – 62 mph | 14.5 sec |
| Acceleration 0 – 60 mph | 13.8 sec |
| Maximum speed | 165 km/h (102.53 mph) |
| Emission standard | Euro 1 |
| Weight-to-power ratio | 11.6 kg/Hp, 86.3 Hp/tonne |
| Weight-to-torque ratio | 8.3 kg/Nm, 120 Nm/tonne |
| Power | 82 Hp @ 5800 rpm |
| Power per litre | 59 Hp/l |
| Torque | 114 Nm @ 3400 rpm (84.08 lb.-ft. @ 3400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C14SE |
| Engine displacement | 1389 cm3 (84.76 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 77.6 mm (3.06 in.) |
| Piston Stroke | 73.4 mm (2.89 in.) |
| Compression ratio | 9.8:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Coolant | 5.8 l (6.13 US qt | 5.1 UK qt) |
| Kerb Weight | 950/970 kg (2094.39 lbs.) |
| Max. weight | 1475 kg (3251.82 lbs.) |
| Max load | 505-525 kg (1113.33 – 1157.43 lbs.) |
| Trunk (boot) space – minimum | 360 l (12.71 cu. ft.) |
| Trunk (boot) space – maximum | 1200 l (42.38 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Length | 4051 mm (159.49 in.) |
| Width | 1688 mm (66.46 in.) |
| Width including mirrors | 1795 mm (70.67 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2517 mm (99.09 in.) |
| Front track | 1430 mm (56.3 in.) |
| Rear (Back) track | 1429 mm (56.26 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Wishbone |
| Rear suspension | Suspension with traction connecting levers |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 175/70 R13 82T; 175/65 R14 82T |
| Wheel rims size | 5.5J x 13 ET49; 5.5J x 14 ET49 |
Powertrain & Engine Architecture
The heart of the Astra F 1.4 Si Automatic was the C14SE engine, a 1.4-liter inline-four cylinder unit. This engine featured a single overhead camshaft (SOHC) valvetrain with two valves per cylinder. Fuel delivery was handled by a multi-port fuel injection system, a relatively modern feature for the time, contributing to improved fuel efficiency and smoother operation compared to carbureted engines. The C14SE was known for its relative simplicity and durability, though it wasn’t a powerhouse. The four-speed automatic transmission, while providing convenience, was a somewhat dated design. It lacked the sophistication of more modern automatics and contributed to the car’s leisurely acceleration. The transmission’s gear ratios were geared towards economy rather than performance, with a relatively tall final drive.
Driving Characteristics
The 1.4 Si Automatic offered a comfortable, if uninspiring, driving experience. With 82 horsepower and 114 Nm (84 lb-ft) of torque, acceleration was noticeably slower than the 1.6-liter or 2.0-liter versions of the Astra F. The 0-60 mph time hovered around 13.8 seconds, and top speed was limited to 165 km/h (102.53 mph). The automatic transmission, while smooth in normal driving, could feel sluggish when attempting to overtake or climb hills. Downshifts were not particularly quick, and the transmission sometimes hunted for the right gear. Compared to the five-speed manual version, the automatic suffered a noticeable performance penalty.
Equipment & Trim Levels
The 1.4 Si Automatic typically came with a modest level of standard equipment. This included power steering, central locking, and a basic stereo system. Interior upholstery was typically cloth, and the dashboard featured a simple, functional design. Optional extras included electric windows, a sunroof, and upgraded audio systems. The trim level was generally considered entry-level, making it an attractive option for budget-conscious buyers. Higher trim levels, such as the GLS, offered more luxurious features like alloy wheels, upgraded interior trim, and air conditioning.
Chassis & Braking
The Astra F 1.4 Si Automatic utilized a relatively simple chassis design. Front suspension consisted of wishbones, while the rear employed a torsion beam setup with traction connecting levers. Braking was handled by disc brakes at the front and drum brakes at the rear. ABS (Anti-lock Braking System) was often included as standard equipment, enhancing safety. The suspension was tuned for comfort rather than sporty handling, providing a reasonably smooth ride over most road surfaces. Stabilizer bars were present, but were relatively thin compared to those found on higher-performance Astra F models.
Market Reception & Comparison
The Astra F 1.4 Si Automatic was generally well-received as a practical and affordable family car. Critics acknowledged its fuel efficiency and ease of use, but often criticized its lack of performance. Compared to the 1.6-liter and 2.0-liter Astra F models, the 1.4 Si Automatic offered significantly less power and a slower driving experience. However, it was also more affordable to purchase and operate. The 1.9 TDI diesel version, while more expensive initially, offered superior fuel economy and torque, making it a popular choice for high-mileage drivers. The 1.4 Si Automatic appealed to buyers who prioritized comfort and convenience over outright performance.
Legacy
The Opel Astra F 1.4 Si Automatic, while not a particularly exciting car, proved to be a reliable and durable vehicle. The C14SE engine is known for its longevity, and the four-speed automatic transmission, while not sophisticated, is generally robust. Today, these cars are relatively rare and often sought after by enthusiasts looking for a classic, affordable European hatchback. Parts availability is generally good, and maintenance costs are relatively low. The Astra F 1.4 Si Automatic represents a significant chapter in Opel’s history, and remains a popular choice for those seeking a simple, practical, and reliable used car.
