The Opel Kadett C 1.0, producing 48 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 (48 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 |
| Fuel consumption (US mpg) | 31.8 |
| Fuel consumption (UK mpg) | 38.2 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 22.5 sec |
| Acceleration 0 – 62 mph | 22.5 sec |
| Acceleration 0 – 60 mph | 21.4 sec |
| Maximum speed | 128 km/h (79.54 mph) |
| Weight-to-power ratio | 16.4 kg/Hp |
| Weight-to-torque ratio | 11.2 kg/Nm |
| Power | 48 Hp @ 5600 rpm |
| Power per litre | 48.3 Hp/l |
| Torque | 70 Nm (51.63 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 10S |
| 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 capacity | 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 track | 1299 mm (51.14 in.) |
| Minimum turning circle | 9.20 m (30.18 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 4 |
| Gearbox type | Manual transmission |
| Front brakes | Drum |
| Rear brakes | Drum |
| Tires size | 155/80 R13 |
Powertrain & Engine Architecture
The heart of the Kadett C 1.0 was the 10S engine, a 993cc inline-four cylinder unit. This engine utilized a single carburetor for fuel delivery, a common practice for vehicles in this price bracket during the 1970s. The engine featured a relatively low 7.9:1 compression ratio, contributing to its ability to run on lower octane fuels readily available at the time. The valvetrain employed two valves per cylinder, operated by a single overhead camshaft. Power was transmitted to the rear wheels via a four-speed manual transmission, the only gearbox option available with this engine. The longitudinal engine placement was a traditional layout for rear-wheel-drive vehicles of this era.
Driving Characteristics
The 48 horsepower output of the 1.0-liter engine resulted in modest performance. Acceleration was slow, with 0-60 mph taking approximately 21.4 seconds. Top speed was limited to around 79.5 mph. The car was best suited for urban driving and shorter journeys. The four-speed manual transmission offered a reasonable spread of gears, but required frequent shifting to maintain momentum, especially when encountering hills or overtaking. Compared to the more powerful 1.2 and 1.6-liter Kadett C variants, the 1.0 felt significantly underpowered. However, its lighter weight did offer some advantage in handling, making it feel more nimble in city traffic.
Equipment & Trim Levels
The Kadett C 1.0 was typically offered with a basic level of equipment. Standard features included cloth upholstery, vinyl floor covering, and basic instrumentation. Optional extras were limited, but could include a radio, upgraded seat fabrics, and a heated rear window. The interior was functional and durable, prioritizing practicality over luxury. Trim levels were relatively simple, with the 1.0 representing the base model. Exterior features were also minimal, with steel wheels, chrome bumpers, and basic hubcaps being standard.
Chassis & Braking
The Kadett C utilized a traditional body-on-frame construction. 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 performance but lacked the stopping power of disc brakes. The 1.0-liter model typically featured a smaller diameter master cylinder compared to higher-spec Kadetts. Steering was of the recirculating ball type, providing a relatively heavy but precise feel.
Market Reception & Comparison
The Kadett C 1.0 was generally well-received as an affordable and reliable means of transportation. Critics acknowledged its modest performance but praised its fuel economy and low running costs. Compared to other small cars of the era, such as the Ford Fiesta and Volkswagen Polo, the Kadett C 1.0 offered a larger interior and a more spacious trunk. However, it lacked the refinement and modern features of some of its competitors. The 1.2 and 1.6-liter Kadett C models offered significantly better performance and were often preferred by buyers who prioritized driving enjoyment over economy.
Legacy
The Opel Kadett C 1.0, while not a performance icon, holds a significant place in automotive history as a representative of affordable, practical motoring in the 1970s. The 10S engine proved to be relatively durable, and many examples remain on the road today, often cherished by classic car enthusiasts. Its simplicity makes it relatively easy to maintain and repair. In the used car market, the Kadett C 1.0 is valued for its affordability and nostalgic appeal, representing a bygone era of automotive design and engineering. While not highly sought after, well-maintained examples can command a reasonable price, particularly among collectors interested in preserving a piece of automotive history.
