The Opel Corsa A 1.5 TD, produced from 1988 to 1990, represented a fuel-efficient and practical entry point into the burgeoning supermini market in Europe. This variant, equipped with a 1.5-liter turbocharged diesel engine producing 67 horsepower, was positioned as the economy-focused option within the Corsa A range, appealing to buyers prioritizing low running costs over outright performance. It arrived after the 1987 facelift of the original Corsa A (1982-1990), which brought subtle styling updates and improvements to the interior. The Corsa A itself was a significant model for Opel, intended to replace the aging Kadett and compete with rivals like the Ford Fiesta and Volkswagen Polo.
Technical Specifications
| Brand | Opel |
| Model | Corsa |
| Generation | Corsa A (facelift 1987) |
| Type (Engine) | 1.5 TD (67 Hp) |
| Start of production | 1988 |
| End of production | 1990 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| 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 | 13 sec |
| Acceleration 0 – 62 mph | 13 sec |
| Acceleration 0 – 60 mph | 12.4 sec |
| Maximum speed | 166 km/h (103.15 mph) |
| Weight-to-power ratio | 12.8 kg/Hp, 78.4 Hp/tonne |
| Weight-to-torque ratio | 6.5 kg/Nm, 154.4 Nm/tonne |
| Power | 67 Hp @ 4600 rpm |
| Power per litre | 45 Hp/l |
| Torque | 132 Nm @ 2600 rpm (97.36 lb.-ft. @ 2600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 15TD, T4EC1 |
| 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 | 22.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Turbocharger |
| 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 | 1315 kg (2899.08 lbs.) |
| Max load | 460 kg (1014.13 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 | ICE, Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 165/70 R13 |
| Wheel rims size | 13 |
Powertrain & Engine Architecture
The heart of the Corsa A 1.5 TD was the 15TD engine, identifiable by the code T4EC1. This 1.488-liter inline-four diesel engine utilized precombustion chamber injection, a common technology for diesel engines of the era. This system involved injecting fuel into a small precombustion chamber within the cylinder head, where it ignited and then ignited the main charge in the cylinder. The engine was turbocharged, which significantly boosted power output compared to naturally aspirated diesel engines of similar displacement. The turbocharger helped to overcome the inherent limitations of diesel engines, providing increased torque and improved acceleration. The engine produced 67 horsepower at 4600 rpm and 132 Nm (97.36 lb-ft) of torque at 2600 rpm. The engine’s high compression ratio of 22.5:1 was typical for indirect injection diesels, contributing to its fuel efficiency. The 5-speed manual transmission was the only gearbox option available with this engine.
Driving Characteristics
The Corsa A 1.5 TD offered a distinctly different driving experience compared to its gasoline-powered siblings. While lacking the outright punch of the 1.4 or 1.6-liter petrol engines, the diesel provided a usable amount of torque from low engine speeds. This made it surprisingly capable in everyday driving situations, particularly around town. However, acceleration was modest, taking around 13 seconds to reach 62 mph. The turbocharger did provide a noticeable boost in power once spooled up, but the engine could feel strained at higher revs. The gear ratios were optimized for fuel economy rather than performance, and the engine’s narrow power band required frequent gear changes to maintain momentum. Compared to the more powerful petrol versions, the 1.5 TD prioritized fuel efficiency and practicality over sporty driving dynamics.
Equipment & Trim Levels
The 1.5 TD trim level was generally considered the base model in the Corsa A range. Standard equipment typically included basic cloth upholstery, a simple dashboard layout, and manual windows and door locks. Power steering was often an optional extra, as were features like a radio and upgraded interior trim. The focus was on providing a functional and affordable vehicle. The interior was relatively spartan, but well-built and durable. The Corsa A 1.5 TD was available in both 3-door and 5-door body styles, offering varying levels of practicality.
Chassis & Braking
The Corsa A 1.5 TD utilized a relatively simple chassis design. Front suspension consisted of coil springs and MacPherson struts, while the rear featured a twist-beam axle with coil springs. The braking system employed disc brakes on all four wheels, which was a notable feature for a car in this segment at the time. An anti-lock braking system (ABS) was available as an option, enhancing safety. The suspension setup provided a comfortable ride, although it wasn’t particularly sporty. The relatively lightweight construction of the Corsa A helped to offset the modest power output of the 1.5 TD engine.
Market Reception & Comparison
The Corsa A 1.5 TD was well-received in the European market as a fuel-efficient and affordable supermini. Critics praised its low running costs and practicality, but noted its lack of outright performance. Compared to the petrol-powered versions, the 1.5 TD offered significantly better fuel economy, making it an attractive option for drivers covering high mileages. However, it was slower and less refined. Against rivals like the Ford Fiesta diesel and Volkswagen Polo diesel, the Corsa A 1.5 TD offered a competitive package in terms of price, fuel economy, and practicality.
Legacy
The Opel Corsa A 1.5 TD, while not a performance icon, proved to be a reliable and durable vehicle. The 15TD engine, despite its age, is known for its longevity and relatively simple mechanical design. Today, well-maintained examples are becoming increasingly sought after by classic car enthusiasts and collectors. The Corsa A 1.5 TD represents a significant chapter in Opel’s history, demonstrating the brand’s commitment to providing affordable and practical transportation to the masses. Its fuel efficiency and robust construction have ensured its continued presence on roads and in the hearts of many car enthusiasts.
