The Opel Astra F Caravan 1.8i (90 hp) was a popular station wagon variant produced between October 1991 and July 1994. Positioned as an entry-to-mid-range offering within the broader Astra F Caravan lineup, it catered to buyers seeking a practical and affordable family vehicle. This model was a key part of the Astra F generation (1991-1998), which represented a significant step forward for Opel in terms of design, safety, and technology. The Caravan body style, a staple of European motoring, provided increased cargo capacity compared to the hatchback, making it a favored choice for families and those requiring versatile transportation.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra F Caravan |
| Type (Engine) | 1.8i (90 Hp) |
| Start of production | October, 1991 |
| End of production | July, 1994 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 11.9 l/100 km (19.8 US mpg, 23.7 UK mpg, 8.4 km/l) |
| Fuel consumption (extra urban) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption (combined) | 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 13 sec |
| Acceleration 0 – 62 mph | 13 sec |
| Acceleration 0 – 60 mph | 12.4 sec |
| Maximum speed | 175 km/h (108.74 mph) |
| Weight-to-power ratio | 12.2 kg/Hp, 82.2 Hp/tonne |
| Weight-to-torque ratio | 7.6 kg/Nm, 132.4 Nm/tonne |
| Power | 90 Hp @ 5400 rpm |
| Power per litre | 50.1 Hp/l |
| Torque | 145 Nm @ 3000 rpm (106.95 lb.-ft. @ 3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C18NZ |
| Engine displacement | 1796 cm3 (109.6 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84.8 mm (3.34 in.) |
| Piston Stroke | 79.5 mm (3.13 in.) |
| Compression ratio | 9.2:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Single-point injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| 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 | 1095 kg (2414.06 lbs.) |
| Max. weight | 1605 kg (3538.42 lbs.) |
| Max load | 510 kg (1124.36 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1630 l (57.56 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4278 mm (168.43 in.) |
| Width | 1688 mm (66.46 in.) |
| Width including mirrors | 1795 mm (70.67 in.) |
| Height | 1475 mm (58.07 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) | 0.34 |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | ICE to Front Wheels |
| Drive wheel | Front wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Steering type | Steering rack and pinion |
| Tires size | 175/65 R14 82T |
| Wheel rims size | 5.5J x 14 |
Powertrain & Engine Architecture
The heart of the Astra F Caravan 1.8i was the C18NZ engine, an inline four-cylinder petrol engine displacing 1796cc. This engine utilized a single-point fuel injection system, a relatively common technology in the early 1990s. The C18NZ featured a single overhead camshaft (SOHC) valvetrain with two valves per cylinder. This configuration prioritized simplicity and reliability over outright performance. The engine produced 90 horsepower at 5400 rpm and 145 Nm (107 lb-ft) of torque at 3000 rpm. The engine was transversely mounted, driving the front wheels. The transmission was a five-speed manual gearbox, offering a balance between fuel efficiency and driver control. While an automatic transmission was available on other Astra F models, it was less common with the 1.8i engine.
Driving Characteristics
The 1.8i 90 hp Astra F Caravan offered modest performance. Acceleration from 0 to 60 mph took around 12.4 seconds, and top speed was approximately 109 mph. The engine felt adequate for everyday driving, providing sufficient power for commuting and general transportation. However, when fully loaded with passengers and luggage, or when tackling steep inclines, the engine could feel strained. The five-speed manual transmission allowed drivers to keep the engine in its optimal power band, but it wasn’t a particularly sporty driving experience. Compared to the more powerful 2.0-liter 16V versions, the 1.8i felt noticeably slower. The automatic transmission, when equipped, further dulled performance, prioritizing comfort over responsiveness.
Equipment & Trim Levels
The 1.8i Caravan typically came with a reasonable level of standard equipment. This included central locking, power steering, and an adjustable steering column. Interior upholstery was typically cloth, with a simple, functional dashboard layout. Optional extras included electric windows, a sunroof, and upgraded audio systems. Trim levels varied depending on the market, but generally, the 1.8i sat in the lower-mid range of the Caravan lineup. It offered a step up from the base models in terms of features but lacked the luxury appointments of the higher-spec versions.
Chassis & Braking
The Astra F Caravan featured a MacPherson strut front suspension and a coil spring rear suspension. This setup provided a comfortable ride, although it wasn’t particularly sporty. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were drums. This combination was typical for vehicles in this class at the time. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The steering was a rack and pinion system, providing precise and responsive handling.
Market Reception & Comparison
The Astra F Caravan 1.8i was generally well-received by critics as a practical and affordable family car. It was praised for its spacious interior, comfortable ride, and reasonable fuel economy. However, some reviewers noted its lack of outright performance and its somewhat basic interior. Compared to other station wagons in its class, such as the Ford Escort Estate and the Volkswagen Passat Variant, the Astra F Caravan offered a competitive package in terms of price and practicality. The 1.8i engine offered better fuel economy than the larger 2.0-liter engines, but at the expense of performance. The manual transmission was generally preferred by enthusiasts, while the automatic transmission appealed to drivers seeking maximum convenience.
Legacy
The C18NZ engine, while not known for its high performance, proved to be a reliable and durable unit. Many Astra F Caravans with this engine are still on the road today, testament to its longevity. The 1.8i variant remains a popular choice in the used car market, particularly for buyers seeking an affordable and practical family vehicle. Maintenance costs are relatively low, and spare parts are readily available. However, potential buyers should be aware of the age-related issues common to vehicles of this era, such as corrosion and wear and tear on suspension components. The Astra F Caravan 1.8i represents a significant milestone in Opel’s history, establishing the brand as a major player in the European family car market.
