The Opel Corsa A Sedan, specifically the 1.5 D variant produced from 1987 to 1990, represented an entry-level offering within the Corsa A range. Introduced after the facelift in 1987, this model aimed to provide economical transportation for buyers prioritizing fuel efficiency over outright performance. Positioned as the base trim level, it served as the most affordable route into Corsa ownership. The Corsa A, launched in 1982, was Opel’s direct competitor to vehicles like the Ford Fiesta and Volkswagen Polo, and the sedan body style was particularly popular in certain European markets. This 1.5 diesel version was a key part of that strategy, offering a practical and economical choice.
Technical Specifications
| Brand | Opel |
| Model | Corsa |
| Generation | Corsa A Sedan (facelift 1987) |
| Type (Engine) | 1.5 D (50 Hp) |
| Start of production | 1987 |
| End of production | 1990 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| Fuel consumption (extra urban) | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| Fuel consumption (combined) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 17.5 sec |
| Acceleration 0 – 62 mph | 17.5 sec |
| Acceleration 0 – 60 mph | 16.6 sec |
| Maximum speed | 151 km/h (93.83 mph) |
| Weight-to-power ratio | 17.1 kg/Hp, 58.5 Hp/tonne |
| Weight-to-torque ratio | 9.5 kg/Nm, 105.3 Nm/tonne |
| Power | 50 Hp @ 4800 rpm |
| Power per litre | 33.6 Hp/l |
| Torque | 90 Nm @ 3000 rpm (66.38 lb.-ft. @ 3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 15D, 4EC1 |
| Engine displacement | 1488 cm3 (90.8 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 76 mm (2.99 in.) |
| Piston Stroke | 82 mm (3.23 in.) |
| Compression ratio | 23:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 3.75 l (3.96 US qt | 3.3 UK qt) |
| Coolant capacity | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Kerb Weight | 855 kg (1884.95 lbs.) |
| Max. weight | 1330 kg (2932.15 lbs.) |
| Max load | 475 kg (1047.2 lbs.) |
| Trunk (boot) space – minimum | 430 l (15.19 cu. ft.) |
| Fuel tank capacity | 42 l (11.1 US gal | 9.24 UK gal) |
| Length | 3955 mm (155.71 in.) |
| Width | 1540 mm (60.63 in.) |
| Height | 1360 mm (53.54 in.) |
| Wheelbase | 2343 mm (92.24 in.) |
| Front track | 1320 mm (51.97 in.) |
| Rear (Back) track | 1307 mm (51.46 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.38 |
| Minimum turning circle | 10 m (32.81 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 165/65 R14 |
| Wheel rims size | 5J x 14 |
Powertrain & Engine Architecture
The heart of the Corsa A 1.5 D was the 1488cc inline-four cylinder diesel engine, designated as the 15D and also known by the code 4EC1. This engine utilized a precombustion chamber injection system, a common technology for diesel engines of the era. This system involved injecting fuel into a small pre-chamber within the cylinder head, where it partially combusted before igniting the main charge in the cylinder. This design aided in smoother combustion and reduced engine noise compared to direct injection systems. The engine featured a single overhead camshaft (SOHC) operating two valves per cylinder. The 1.5 diesel produced 50 horsepower at 4800 rpm and 90 Nm (66.38 lb-ft) of torque at 3000 rpm. The engine was transversely mounted, driving the front wheels through a five-speed manual transmission. This configuration was typical for European front-wheel-drive cars of the time, maximizing interior space and improving packaging.
Driving Characteristics
The Corsa A 1.5 D was not designed for spirited driving. Its 50 horsepower output and relatively slow 17.5-second 0-60 mph acceleration time reflected its focus on economy. The five-speed manual transmission helped to keep the engine within its optimal operating range, but overtaking maneuvers required careful planning. The gear ratios were geared towards maximizing fuel efficiency rather than providing quick acceleration. Compared to the more powerful gasoline-powered Corsas, such as those equipped with 1.2 or 1.4-liter engines, the 1.5 D felt significantly slower. However, the diesel engine’s torque characteristics provided reasonable pulling power at lower speeds, making it suitable for everyday driving and carrying loads. The steering was light and precise, typical of Opel’s engineering, and the suspension provided a comfortable, if somewhat basic, ride.
Equipment & Trim Levels
The 1.5 D trim level was the most basic in the Corsa A Sedan range. Standard equipment typically included cloth upholstery, a basic dashboard layout with analog gauges, and steel wheels with hubcaps. Power steering and central locking were generally not standard features on this trim level, but could be added as optional extras. The interior was functional and durable, prioritizing practicality over luxury. Optional extras included a radio, upgraded seat fabrics, and occasionally, a sunroof. The overall interior ambiance was simple and utilitarian, reflecting the car’s affordable price point.
Chassis & Braking
The Corsa A Sedan featured a relatively simple chassis design. The front suspension utilized coil springs and independent MacPherson struts, while the rear suspension employed a twist-beam axle with coil springs. This setup provided a reasonable balance between ride comfort and handling. The braking system consisted of disc brakes on the front wheels and drum brakes on the rear wheels. ABS (Anti-lock Braking System) was available as an option, enhancing safety in emergency braking situations. The steering was a rack-and-pinion system, providing precise and responsive steering feel. The 165/65 R14 tires offered adequate grip for everyday driving conditions.
Market Reception & Comparison
The Opel Corsa A 1.5 D was well-received in markets where fuel economy was a primary concern. It offered a cost-effective and reliable means of transportation for buyers on a budget. Critics praised its fuel efficiency and durability, but noted its lack of performance. Compared to the gasoline-powered Corsas, the 1.5 D offered significantly better fuel economy, but at the expense of acceleration and refinement. The 1.5 D was often compared to other small diesel sedans, such as the Fiat Regata Diesel and the Renault 9 Diesel, and generally held its own in terms of fuel economy and reliability. However, it often lagged behind in terms of interior space and overall refinement.
Legacy
The Opel Corsa A 1.5 D, while not a performance icon, proved to be a durable and reliable workhorse. The 15D engine, though simple in design, was known for its longevity and relatively low maintenance costs. Today, these cars are relatively rare, and well-maintained examples are sought after by enthusiasts and collectors. The 1.5 D powertrain is generally considered to be robust and capable of high mileage with proper maintenance. Parts availability can be a challenge, but many components are still available through specialist suppliers. The Corsa A 1.5 D represents a significant chapter in Opel’s history, demonstrating the brand’s commitment to providing affordable and practical transportation to a wide range of customers.
