The Opel Corsa A 1.2i, producing 45 horsepower, was an entry-level variant of the first-generation Corsa (A) produced between 1985 and 1987. Positioned as the most affordable option in the Corsa A lineup, it served as a practical and economical city car for the European market. The Corsa A represented Opel’s attempt to modernize its small car offerings, replacing the aging Kadett and Ascona models with a more contemporary and efficient design. This particular 1.2i model was crucial in attracting budget-conscious buyers and establishing the Corsa as a viable competitor in the burgeoning supermini segment.
Technical Specifications
| Brand | Opel |
| Model | Corsa |
| Generation | Corsa A |
| Type (Engine) | 1.2i (45 Hp) |
| Start of production | 1985 |
| End of production | 1987 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Fuel consumption (urban) | 7.2 l/100 km (32.7 US mpg) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg) |
| Fuel consumption (combined) | 6.2 l/100 km (37.9 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 18 sec |
| Acceleration 0 – 62 mph | 18 sec |
| Acceleration 0 – 60 mph | 17.1 sec |
| Maximum speed | 143 km/h (88.86 mph) |
| Weight-to-power ratio | 16.4 kg/Hp |
| Weight-to-torque ratio | 9.3 kg/Nm |
| Power | 45 Hp @ 5000 rpm |
| Torque | 80 Nm @ 2200-2600 rpm (59 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine Model/Code | C12NZ |
| 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 | 3 l (3.17 US qt | 2.64 UK qt) |
| Coolant capacity | 6.1 l (6.45 US qt | 5.37 UK qt) |
| Kerb Weight | 740 kg (1631.42 lbs.) |
| Max. weight | 1220 kg (2689.64 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 270 l (9.53 cu. ft.) |
| Trunk (boot) space – maximum | 1060 l (37.43 cu. ft.) |
| Fuel tank capacity | 42 l (11.1 US gal | 9.24 UK gal) |
| Length | 3622 mm (142.6 in.) |
| Width | 1532 mm (60.31 in.) |
| Height | 1365 mm (53.74 in.) |
| Wheelbase | 2343 mm (92.24 in.) |
| Front track | 1320 mm (51.97 in.) |
| Rear track | 1307 mm (51.46 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.36 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 4 |
| Gearbox type | Manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Steering type | Steering rack and pinion |
| Tires size | 165/70 R13 |
| Wheel rims size | 13 |
Powertrain & Engine Architecture
The Corsa A 1.2i was powered by the C12NZ engine, a 1.2-liter (1196 cc) inline-four cylinder engine. This engine featured a relatively simple overhead valve (OHV) valvetrain with two valves per cylinder. Fuel delivery was managed by a single carburetor, a common feature for entry-level cars of this era, prioritizing simplicity and cost-effectiveness over performance and emissions control. The engine produced 45 horsepower at 5000 rpm and 80 Nm (59 lb-ft) of torque between 2200 and 2600 rpm. The engine’s design emphasized durability and ease of maintenance, making it a reliable, if uninspiring, powerplant. The engine was transversely mounted, driving the front wheels through a four-speed manual transmission. This configuration was typical for small front-wheel-drive cars of the time, maximizing interior space and improving fuel efficiency.
Driving Characteristics
The 1.2i Corsa A offered modest performance. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 18 seconds, and its top speed was around 143 km/h (88.86 mph). Compared to higher-spec Corsa A models equipped with larger engines (like the 1.3 or 1.6-liter variants), the 1.2i felt noticeably slower, particularly when fully loaded or tackling inclines. The four-speed manual transmission was geared for economy rather than outright speed, with relatively tall gear ratios. This resulted in a relaxed driving experience at cruising speeds but required frequent downshifts for overtaking or climbing hills. The steering was light and easy, making it well-suited for urban driving, but lacked the precision and feedback of more sporting models. The suspension provided a comfortable ride on smooth roads, but could feel somewhat unsettled on rough surfaces.
Equipment & Trim Levels
The 1.2i Corsa A was typically offered with a basic level of equipment. Standard features generally included cloth upholstery, a simple dashboard layout, and basic instrumentation. Power steering, central locking, and electric windows were typically optional extras, often bundled together in packages. Interior trim was functional and durable, prioritizing practicality over luxury. The exterior featured steel wheels with hubcaps, black plastic bumpers, and relatively simple body-colored trim. The 3-door hatchback was the most common body style for this trim level, although a 5-door version was also available, albeit less frequently seen.
Chassis & Braking
The Corsa A 1.2i utilized a relatively simple chassis design. Front suspension consisted of coil springs and MacPherson struts, while the rear suspension employed a twist-beam axle with coil springs. The braking system featured disc brakes on the front wheels and drum brakes on the rear. This configuration was typical for cars in this price range during the 1980s. The steering was a rack-and-pinion system, providing reasonably precise steering control. The relatively light weight of the 1.2i model (approximately 740 kg or 1631 lbs) helped to compensate for its modest power output, contributing to acceptable handling characteristics.
Market Reception & Comparison
The Opel Corsa A 1.2i was generally well-received as an affordable and practical city car. Critics praised its fuel efficiency and ease of driving, but noted its lack of performance and refinement compared to more expensive rivals. Compared to other small cars of the time, such as the Fiat Uno or Renault 5, the Corsa A offered a slightly more spacious interior and a more modern design. However, it was often criticized for its basic interior trim and lack of standard features. The 1.2i variant was particularly popular with first-time car buyers and those seeking a low-cost, reliable mode of transportation.
Legacy
The Corsa A 1.2i, while not a performance icon, played a significant role in establishing the Corsa as a successful model in the European market. The C12NZ engine proved to be remarkably durable and reliable, and many examples are still on the road today. In the used car market, the 1.2i Corsa A is often sought after by enthusiasts looking for a classic, affordable, and easy-to-maintain vehicle. Its simplicity and low running costs make it an attractive option for those seeking a nostalgic driving experience or a practical city car. The Corsa A 1.2i represents a significant chapter in Opel’s history, marking its entry into the competitive supermini segment and laying the foundation for future generations of Corsa models.
