Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra F (facelift 1994) |
| Type (Engine) | 1.8i Ecotec 16V (116 Hp) |
| Start of production | August, 1994 |
| End of production | April, 1995 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (urban) | 11.1 l/100 km (21.2 US mpg, 25.4 UK mpg, 9 km/l) |
| Fuel consumption (extra urban) | 7.5 l/100 km (31.4 US mpg, 37.7 UK mpg, 13.3 km/l) |
| Fuel consumption (combined) | 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.5 sec |
| Acceleration 0 – 62 mph | 9.5 sec |
| Acceleration 0 – 60 mph | 9 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Weight-to-power ratio | 9.5 kg/Hp, 105 Hp/tonne |
| Weight-to-torque ratio | 6.6 kg/Nm, 152 Nm/tonne |
| Power | 116 Hp @ 5400 rpm |
| Power per litre | 64.5 Hp/l |
| Torque | 168 Nm @ 4000 rpm (123.91 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C18XEL |
| Engine displacement | 1799 cm3 (109.78 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81.6 mm (3.21 in.) |
| Piston Stroke | 86 mm (3.39 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 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1105 kg (2436.11 lbs.) |
| Max. weight | 1585 kg (3494.33 lbs.) |
| Max load | 480 kg (1058.22 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 | 1696 mm (66.77 in.) |
| Width including mirrors | 1852 mm (72.91 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2517 mm (99.09 in.) |
| Front track | 1424 mm (56.06 in.) |
| Rear (Back) track | 1423 mm (56.02 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.32 |
| Minimum turning circle (turning diameter) | 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 | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Suspension with traction connecting levers |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Steering type | Steering rack and pinion |
| Tires size | 175/65 R14 82H |
| Wheel rims size | 5.5J x 14 ET 49 |
The Opel Astra F 1.8i Ecotec 16V, produced from August 1994 to April 1995, represented a significant refinement within the Astra F generation (1991-1998). This facelifted model, part of the 1HX0/A3 platform family, aimed to offer a balance of performance and economy in the competitive European compact car segment. The 1.8i Ecotec 16V was positioned as a mid-range offering, bridging the gap between the base 1.4-liter models and the more performance-oriented versions like the GSi. It was primarily sold in Europe, where the Astra F was a mainstay of Opel’s lineup, competing with vehicles like the Volkswagen Golf, Ford Escort, and Peugeot 306.
Powertrain & Engine Architecture
The heart of the Astra F 1.8i Ecotec 16V is the C18XEL engine, a 1.8-liter inline-four cylinder powerplant. This engine is part of Opel’s Ecotec family, known for its focus on fuel efficiency and reduced emissions. The ‘XEL’ designation indicates a multi-point fuel injection system and a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder. This 16-valve configuration allowed for improved breathing and higher revving capability compared to older 8-valve designs. The engine produces 116 horsepower at 5400 rpm and 168 Nm (124 lb-ft) of torque at 4000 rpm. The engine’s relatively high compression ratio of 10.8:1 contributed to its efficiency. The 5-speed manual transmission was the standard offering, providing a balance between fuel economy and driver engagement.
Driving Characteristics
The 1.8i Ecotec 16V offered a noticeable step up in performance compared to the lower-displacement Astra F models. While not a sports car, it provided adequate acceleration for everyday driving, achieving 0-60 mph in around 9 seconds. The engine felt responsive, particularly in the mid-range, making overtaking maneuvers relatively easy. The 5-speed manual transmission allowed drivers to keep the engine in its optimal power band. Compared to the more powerful GSi models, the 1.8i felt less urgent, but it offered a more refined and comfortable driving experience. The gear ratios were tuned for a balance of acceleration and fuel economy, prioritizing usability over outright performance.
Equipment & Trim Levels
The 1.8i Ecotec 16V typically came equipped with features such as power steering, central locking, and electric front windows. Interior upholstery was usually cloth, with a relatively simple dashboard layout. Optional extras included air conditioning, alloy wheels, and a sunroof. The trim level often dictated the availability of these options. The Astra F offered a range of trim packages, with the 1.8i generally falling into a mid-range category, offering a good balance of features and affordability.
Chassis & Braking
The Astra F 1.8i Ecotec 16V utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a comfortable ride quality while maintaining reasonable handling characteristics. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were typically solid discs. The steering was a rack-and-pinion system, providing precise and responsive steering feel. The 175/65 R14 tires offered a good compromise between grip and ride comfort.
Market Reception & Comparison
The Astra F 1.8i Ecotec 16V was generally well-received by automotive critics. It was praised for its fuel efficiency, refined engine, and comfortable ride. However, some critics noted that it lacked the sporty character of the GSi models. Compared to other compact cars in its class, the Astra F 1.8i offered a competitive combination of features, performance, and price. Fuel economy was comparable to other 1.8-liter engines of the time, and reliability was generally considered good.
Legacy
The C18XEL engine proved to be a durable and reliable powerplant. Many Astra F 1.8i models are still on the road today, a testament to their build quality and mechanical robustness. In the used car market, these Astras are often sought after for their affordability and practicality. While not a collector’s item, the Astra F 1.8i Ecotec 16V remains a popular choice for those seeking a reliable and economical compact car. The Ecotec engine family, in general, established Opel as a leader in fuel-efficient engine technology.

