The Opel Astra F Caravan 1.6i, producing 75 horsepower, was a mainstay of the European family car market from October 1991 to March 1993. Positioned as an entry-level variant within the broader Astra F Caravan (estate) range, it offered practical transportation with a focus on affordability and fuel economy. This model occupied a crucial space in Opel’s lineup, appealing to buyers seeking a spacious, reliable vehicle without the expense of higher-trim levels or more powerful engines. It was built on the GM T platform, also known as the 1HX0, shared with other models like the Vauxhall/Chevrolet Astra and Isuzu Aska.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra F Caravan |
| Type (Engine) | 1.6i (75 Hp) |
| Start of production | October, 1991 |
| End of production | March, 1993 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel consumption (extra urban) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (combined) | 8.1 l/100 km (29 US mpg, 34.9 UK mpg, 12.3 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) |
| Weight-to-power ratio | 13.5 kg/Hp, 73.9 Hp/tonne |
| Weight-to-torque ratio | 8.1 kg/Nm, 123.2 Nm/tonne |
| Power | 75 Hp @ 5200 rpm |
| Power per litre | 46.9 Hp/l |
| Torque | 125 Nm @ 2800 rpm (92.2 lb.-ft. @ 2800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C16NZ |
| 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 | 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 | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Coolant | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Kerb Weight | 1015 kg (2237.69 lbs.) |
| Max. weight | 1535 kg (3384.1 lbs.) |
| Max load | 520 kg (1146.4 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 | 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) | 0.34 |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | ICE, Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears | 5 gears, manual 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 Caravan 1.6i was the C16NZ engine, a 1.6-liter inline-four cylinder petrol engine. This engine featured a single overhead camshaft (SOHC) valvetrain with two valves per cylinder. It utilized a Bosch Mono-Jetronic single-point fuel injection system, which was a cost-effective solution common in European cars of the era. While not as sophisticated as multi-point injection, it provided adequate fuel delivery for the engine’s modest power output. The engine’s 9.2:1 compression ratio was typical for the time, balancing performance and fuel efficiency. The engine was transversely mounted, driving the front wheels. The standard transmission was a five-speed manual gearbox, although a four-speed automatic transmission was also available, albeit less common. The automatic transmission was a GM-sourced unit, known for its durability but also for its relatively slow shift times and tendency to hunt for gears.
Driving Characteristics
The 1.6i 75 hp Astra F Caravan was not a performance car. Acceleration was leisurely, taking around 14.5 seconds to reach 62 mph. However, it provided sufficient power for everyday driving, particularly when unladen. The manual transmission offered better control and responsiveness, allowing drivers to make the most of the engine’s limited power. The automatic transmission, while convenient, noticeably dulled acceleration and increased fuel consumption. The gear ratios were optimized for fuel economy rather than outright speed. The car felt stable and predictable in corners, but its suspension was tuned for comfort rather than sporty handling. The steering was light and easy, making it well-suited for urban driving.
Equipment & Trim Levels
The 1.6i variant typically came with a basic level of equipment. Standard features included central locking, power steering, and a basic stereo system. Interior upholstery was typically cloth, with a simple dashboard layout. Optional extras included electric windows, a sunroof, and upgraded stereo systems. The trim level was generally considered entry-level, with a focus on providing essential features at an affordable price. Higher trim levels, such as the GLS, offered more luxurious appointments and additional features.
Chassis & Braking
The Astra F Caravan featured a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a comfortable ride, although it wasn’t particularly sporty. The front brakes were disc brakes, while the rear brakes were drum brakes – a cost-saving measure common in this class of vehicle. Anti-lock braking system (ABS) was available as an option, enhancing safety. The car’s weight-to-power ratio of 13.5 kg/hp meant that the braking system was adequate for its performance level, but not overly powerful.
Market Reception & Comparison
The Astra F Caravan 1.6i was generally well-received as a practical and affordable family car. Critics praised its spacious interior, comfortable ride, and reasonable fuel economy. However, they also noted its lack of performance and somewhat basic interior. Compared to the more powerful 1.8 and 2.0-liter versions, the 1.6i offered significantly less performance but also lower running costs. The 1.9 TDI diesel version provided even better fuel economy but lacked the refinement of the petrol engine. The 1.6i appealed to buyers who prioritized practicality and affordability over performance.
Legacy
The C16NZ engine, while not known for its high performance, proved to be a reliable and durable unit. Astra F Caravans with this engine are still relatively common on the used car market today, often prized for their affordability and simplicity. Maintenance is generally straightforward, and parts are readily available. However, potential buyers should be aware of the age-related issues common to all vehicles of this era, such as corrosion and wear and tear on suspension components. The 1.6i variant remains a popular choice for those seeking a classic, practical, and affordable estate car.
