The Opel Kadett C 1.0, producing 40 horsepower, was a foundational model within the Kadett C range, manufactured between 1973 and 1979. Positioned as the entry-level offering, it provided affordable transportation during a period of economic constraint in Europe. The Kadett C itself represented a significant step forward for Opel, building upon the success of the Kadett B and establishing a strong presence in the compact family car segment. This particular 1.0-liter variant played a crucial role in making the Kadett C accessible to a wider customer base, though it often represented a compromise in performance compared to its larger-engined siblings.
Technical Specifications
| Brand | Opel |
| Model | Kadett |
| Generation | Kadett C |
| Type (Engine) | 1.0 (40 Hp) |
| Start of production | 1973 |
| End of production | 1979 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| 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 | 26.5 sec |
| Acceleration 0 – 62 mph | 26.5 sec |
| Acceleration 0 – 60 mph | 25.2 sec |
| Maximum speed | 122 km/h (75.81 mph) |
| Weight-to-power ratio | 19.6 kg/Hp (51 Hp/tonne) |
| Weight-to-torque ratio | 11.2 kg/Nm (89.2 Nm/tonne) |
| Power | 40 Hp @ 5400 rpm |
| Power per litre | 40.3 Hp/l |
| Torque | 70 Nm (51.63 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 10N |
| Engine displacement | 993 cm3 (60.6 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 72 mm (2.83 in.) |
| Piston Stroke | 61 mm (2.4 in.) |
| Compression ratio | 7.9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 2.8 l (2.96 US qt | 2.46 UK qt) |
| Coolant | 4.9 l (5.18 US qt | 4.31 UK qt) |
| Kerb Weight | 785 kg (1730.63 lbs.) |
| Max. weight | 1205 kg (2656.57 lbs.) |
| Max load | 420 kg (925.94 lbs.) |
| Trunk (boot) space – maximum | 420 l (14.83 cu. ft.) |
| Fuel tank capacity | 43 l (11.36 US gal | 9.46 UK gal) |
| Max. roof load | 60 kg (132.28 lbs.) |
| Permitted trailer load with brakes (12%) | 800 kg (1763.7 lbs.) |
| Permitted trailer load without brakes | 430 kg (947.99 lbs.) |
| Length | 4124 mm (162.36 in.) |
| Width | 1590 mm (62.6 in.) |
| Height | 1375 mm (54.13 in.) |
| Wheelbase | 2395 mm (94.29 in.) |
| Front track | 1300 mm (51.18 in.) |
| Rear (Back) track | 1299 mm (51.14 in.) |
| Minimum turning circle | 9.20 m (30.18 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front brakes | Drum |
| Rear brakes | Drum |
| Tires size | 155/80 SR13 |
| Wheel rims size | 13 |
Introduction
The Opel Kadett C 1.0 represented the base model of the Kadett C series, produced from 1973 to 1979. It was built on the 1HX0/A3 platform, a design that aimed to provide a more modern and comfortable driving experience than its predecessor. The 1.0-liter engine was specifically chosen to offer an affordable entry point into the Kadett C range, appealing to budget-conscious buyers. While not known for its blistering performance, the Kadett C 1.0 served as reliable and economical transportation for many European families.
Powertrain & Engine Architecture
The heart of the Kadett C 1.0 was the 10N engine, a 993cc inline-four cylinder unit. This engine utilized a single carburetor for fuel delivery, a common practice for engines of this era aiming for simplicity and cost-effectiveness. The engine featured a two-valve per cylinder configuration (SOHC) and a relatively low compression ratio of 7.9:1. The engine was mounted longitudinally in the front of the vehicle, driving the rear wheels. The standard transmission was a four-speed manual, though a five-speed manual was also available. The 10N engine, while simple, was known for its durability, though it lacked the refinement of more modern designs.
Driving Characteristics
The Kadett C 1.0’s driving experience was defined by its modest power output. Acceleration was slow, with 0-60 mph taking approximately 25 seconds. The car was best suited for city driving and shorter journeys, where its fuel efficiency and ease of handling were more appreciable. The four or five-speed manual transmission helped to keep the engine in its optimal power band, but even then, overtaking maneuvers required careful planning. Compared to the 1.2 or 1.6-liter Kadett C models, the 1.0 felt significantly underpowered, particularly when carrying a full load of passengers or luggage. The rear-wheel-drive layout provided a predictable handling balance, but the relatively narrow tires and basic suspension setup limited grip.
Equipment & Trim Levels
The Kadett C 1.0 was typically equipped with basic amenities. Standard features included cloth upholstery, vinyl floor covering, and a simple dashboard layout. Power steering, air conditioning, and electric windows were not typically offered on this base model. Optional extras included a radio, upgraded upholstery, and a sunroof. The interior was functional and durable, prioritizing practicality over luxury. The trim level was generally quite spartan, reflecting the car’s position as the entry-level model.
Chassis & Braking
The Kadett C 1.0 utilized a relatively simple chassis design. The suspension consisted of independent front suspension with coil springs and a rigid rear axle with leaf springs. Braking was provided by drum brakes on all four wheels, which were adequate for the car’s weight and performance but lacked the stopping power of disc brakes. The steering was a recirculating ball system, providing a relatively direct feel but requiring some effort at low speeds. The car’s relatively light weight (approximately 785 kg or 1731 lbs) helped to mitigate the limitations of the suspension and braking systems.
Market Reception & Comparison
The Kadett C 1.0 was generally well-received as an affordable and reliable means of transportation. Critics acknowledged its lack of performance but praised its fuel economy and durability. Compared to other cars in its class, such as the Ford Fiesta and Volkswagen Polo, the Kadett C 1.0 offered a more spacious interior and a more comfortable ride. However, it was often criticized for its slow acceleration and basic equipment levels. The 1.2 and 1.6-liter Kadett C models offered significantly improved performance and were often preferred by buyers who could afford the higher price tag.
Legacy
The Opel Kadett C 1.0, while not a performance icon, holds a significant place in automotive history as a symbol of affordable and reliable transportation. The 10N engine proved to be remarkably durable, and many examples are still on the road today. In the used car market, the Kadett C 1.0 is often sought after by enthusiasts looking for a classic and simple car to restore or enjoy as a hobby vehicle. Its simplicity makes it relatively easy to maintain, and parts are still available, though sourcing them can sometimes be a challenge. The Kadett C 1.0 represents a bygone era of automotive engineering, where practicality and affordability were prioritized over performance and luxury.
