The Opel Kadett C 1.2, producing 52 horsepower, was a mainstay of the German automotive market from 1973 to 1977. Representing the third generation of the Kadett, this variant occupied the entry-level position within the C-series lineup. It was designed to provide affordable and reliable transportation for families and commuters, playing a significant role in Opel’s success during a period of economic change in Europe. The Kadett C, built on the platform designated as the ‘C’ platform, was a direct successor to the Kadett B, offering a more modern design and improved features while retaining the core values of practicality and affordability. This specific 1.2-liter engine and four-speed manual transmission combination was particularly popular due to its fuel efficiency and relatively low purchase price.
Technical Specifications
| Brand | Opel |
| Model | Kadett |
| Generation | Kadett C |
| Type (Engine) | 1.2 (52 Hp) |
| Start of production | 1973 |
| End of production | 1977 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 8.5 l/100 km |
| Fuel consumption (US mpg) | 27.7 |
| Fuel consumption (UK mpg) | 33.2 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 21.5 sec |
| Acceleration 0 – 62 mph | 21.5 sec |
| Acceleration 0 – 60 mph | 20.4 sec |
| Maximum speed | 130 km/h (80.78 mph) |
| Weight-to-power ratio | 15.1 kg/Hp |
| Weight-to-torque ratio | 9.8 kg/Nm |
| Power | 52 Hp @ 5600 rpm |
| Power per litre | 43.5 Hp/l |
| Torque | 80 Nm (59 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 12N |
| Engine displacement | 1196 cm3 (72.98 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79 mm (3.11 in.) |
| Piston Stroke | 61 mm (2.4 in.) |
| Compression ratio | 7.8:1 |
| 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 | 4.7 l (4.97 US qt | 4.14 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) |
| Length | 4124 mm (162.36 in.) |
| Width | 1580 mm (62.2 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 | 9.2 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 SR13 |
| Wheel rims size | 13 |
Powertrain & Engine Architecture
The heart of the Kadett C 1.2 was the 12N engine, a 1.2-liter (1196 cc) inline-four cylinder unit. This engine utilized a single overhead camshaft (SOHC) design with two valves per cylinder. Fuel delivery was managed by a single carburetor, a common setup for vehicles of this era aiming for affordability. The 12N engine produced 52 horsepower at 5600 rpm and 80 Nm (59 lb-ft) of torque. The engine was mounted longitudinally in the front of the vehicle, driving the rear wheels. The four-speed manual transmission was a standard feature, providing a relatively simple and robust drivetrain. This configuration, while not offering blistering performance, was known for its reliability and ease of maintenance.
Driving Characteristics
The Kadett C 1.2, with its modest 52 horsepower, was not designed for speed. Acceleration from 0 to 60 mph took approximately 20.4 seconds, and its top speed was around 81 mph. The four-speed manual transmission offered a reasonable spread of gears, but the engine lacked the torque to provide particularly spirited acceleration. The gear ratios were optimized for fuel economy rather than performance. Compared to the more powerful Kadett C variants, such as those equipped with the 1.6-liter engine, the 1.2-liter model felt noticeably slower, especially when fully loaded or climbing hills. However, the lighter weight of the 1.2-liter model did contribute to slightly better handling and fuel efficiency.
Equipment & Trim Levels
The Kadett C 1.2 was typically offered with a basic level of equipment, reflecting its position as the entry-level model. Standard features included cloth upholstery, vinyl floor covering, and basic instrumentation. Optional extras included a radio, upgraded interior trim, and a sunroof. The dashboard layout was functional and straightforward, prioritizing practicality over aesthetics. The exterior trim was minimal, with basic chrome accents and steel wheels. The focus was on providing a no-frills, reliable vehicle at an affordable price point.
Chassis & Braking
The Kadett C featured a relatively simple chassis design. It utilized a body-on-frame construction, which was common for vehicles of this era. The suspension consisted of independent front suspension with coil springs and a rigid rear axle with leaf springs. Braking was handled by drum brakes on all four wheels, which were adequate for the vehicle’s weight and performance. Steering was manual, providing a direct but somewhat heavy feel. The Kadett C 1.2’s suspension was tuned for comfort rather than sporty handling, providing a reasonably smooth ride on typical road surfaces.
Market Reception & Comparison
The Kadett C 1.2 was generally well-received by the public as an affordable and reliable family car. Critics praised its fuel efficiency and ease of maintenance, but noted its lack of performance. Compared to other vehicles in its class, such as the Ford Escort and the Volkswagen Beetle, the Kadett C 1.2 offered a good balance of price, practicality, and reliability. The 1.6-liter Kadett C offered significantly more performance but came at a higher price. The 1.2-liter model appealed to buyers who prioritized fuel economy and affordability over outright speed.
Legacy
The Opel Kadett C 1.2, while not a performance icon, remains a fondly remembered vehicle for many European car enthusiasts. The 12N engine proved to be remarkably durable, and many examples are still on the road today. The Kadett C’s simple design and robust construction make it relatively easy to maintain and repair. In the used car market, the Kadett C 1.2 is often sought after by collectors and enthusiasts looking for a classic, affordable, and reliable vehicle. Its legacy lies in its contribution to affordable transportation and its enduring reputation for reliability.
