The Opel Kadett D 1.2, producing 53 horsepower, was an entry-level variant of the Kadett D series manufactured between 1979 and 1982. Positioned as the most economical option in the lineup, it served as a practical and affordable family car primarily within the European market. The Kadett D, overall, represented a significant step forward for Opel, building upon the success of the C-series and offering improved comfort, safety, and fuel efficiency. This particular 1.2-liter version was aimed at buyers prioritizing low running costs over outright performance, and it played a crucial role in establishing the Kadett D as a popular choice for everyday transportation.
Technical Specifications
| Brand | Opel |
| Model | Kadett |
| Generation | Kadett D |
| Type (Engine) | 1.2 (53 Hp) |
| Start of production | 1979 |
| End of production | 1982 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 18.5 sec |
| Acceleration 0 – 62 mph | 18.5 sec |
| Acceleration 0 – 60 mph | 17.6 sec |
| Maximum speed | 140 km/h (86.99 mph) |
| Weight-to-power ratio | 15.4 kg/Hp, 65 Hp/tonne |
| Weight-to-torque ratio | 10.2 kg/Nm, 98.2 Nm/tonne |
| Power | 53 Hp @ 5400 rpm |
| Power per litre | 44.3 Hp/l |
| Torque | 80 Nm @ 3600 rpm (59 lb.-ft. @ 3600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 10S |
| 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 |
| Valvetrain | OHV |
| Engine oil capacity | 2.75 l (2.91 US qt | 2.42 UK qt) |
| Kerb Weight | 815 kg (1796.77 lbs.) |
| Max. weight | 1270 kg (2799.87 lbs.) |
| Max load | 455 kg (1003.1 lbs.) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Trunk (boot) space – maximum | 1360 l (48.03 cu. ft.) |
| Fuel tank capacity | 42 l (11.1 US gal | 9.24 UK gal) |
| Length | 3998 mm (157.4 in.) |
| Width | 1636 mm (64.41 in.) |
| Height | 1380 mm (54.33 in.) |
| Wheelbase | 2514 mm (98.98 in.) |
| Front track | 1400 mm (55.12 in.) |
| Rear (Back) track | 1406 mm (55.35 in.) |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, manual transmission |
| Front brakes | Disc |
| Rear brakes | Drum |
Powertrain & Engine Architecture
The heart of the Kadett D 1.2 was the 10S engine, a 1196cc inline-four cylinder unit. This engine utilized a single overhead valve (OHV) valvetrain and a carburetor for fuel delivery. The 10S engine was known for its simplicity and durability, though it lacked the sophistication of fuel injection systems found in some of its contemporaries. The engine produced 53 horsepower at 5400 rpm and 80 Nm (59 lb-ft) of torque at 3600 rpm. This power was transmitted to the front wheels through a four-speed manual transmission, the only gearbox option available with this engine. The transverse engine layout, common for front-wheel-drive vehicles, helped maximize interior space.
Driving Characteristics
The Kadett D 1.2’s driving experience was characterized by its modest performance. Acceleration was slow, taking approximately 18.5 seconds to reach 100 km/h (62 mph). Top speed was limited to around 140 km/h (87 mph). The four-speed gearbox offered relatively widely spaced gear ratios, prioritizing fuel economy over spirited driving. Compared to the more powerful Kadett D variants, such as those equipped with 1.6-liter or 1.8-liter engines, the 1.2 felt noticeably underpowered, especially when fully loaded or tackling inclines. However, the light weight of the vehicle (around 815 kg or 1797 lbs) helped to mitigate some of the performance deficit. The steering was light and relatively precise, making it easy to maneuver in urban environments.
Equipment & Trim Levels
The 1.2-liter Kadett D was typically offered in a basic trim level, reflecting its position as the entry point to the range. Standard features included cloth upholstery, basic instrumentation, and manually operated windows and door locks. Optional extras were limited, but could include a radio, upgraded interior trim, and occasionally, a sunroof. The interior design was functional and straightforward, prioritizing practicality over luxury. The dashboard layout was simple, with clearly labeled controls. The focus was on providing a comfortable and reliable driving experience without unnecessary frills.
Chassis & Braking
The Kadett D utilized a relatively simple chassis design. It featured independent front suspension with MacPherson struts and a torsion beam rear suspension. The front brakes were disc brakes, providing adequate stopping power, while the rear brakes were drum brakes, a cost-saving measure common in this class of vehicle. The suspension was tuned for comfort, providing a reasonably smooth ride on most road surfaces. Stabilizer bars were not typically fitted to the base 1.2-liter model, contributing to a slightly more pronounced body roll in corners. The steering was a rack and pinion system, offering reasonable precision.
Market Reception & Comparison
The Kadett D 1.2 was generally well-received as an affordable and economical family car. Critics praised its fuel efficiency and reliability, but noted its lack of performance. Compared to other vehicles in its class, such as the Ford Fiesta and Volkswagen Polo, the Kadett D 1.2 offered a spacious interior and a comfortable ride. However, it lagged behind in terms of performance and refinement. The 1.6-liter Kadett D offered a significant performance upgrade, while the diesel variants provided even better fuel economy, albeit with reduced power. The 1.2-liter model appealed to buyers who prioritized low running costs and practicality over driving excitement.
Legacy
The Opel Kadett D 1.2, while not the most powerful or technologically advanced variant of the D-series, remains a fondly remembered car for many owners. The 10S engine, despite its simplicity, proved to be remarkably durable and reliable. Today, well-maintained examples are becoming increasingly sought after by classic car enthusiasts. The Kadett D 1.2 represents a significant chapter in Opel’s history, demonstrating the company’s commitment to providing affordable and practical transportation to the masses. Its enduring appeal lies in its simplicity, reliability, and the nostalgic connection it holds for those who grew up driving or being driven in one.
