1990 Alfa Romeo 33 vs. 1981 Opel Ascona
To start off, 1990 Alfa Romeo 33 is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 1,598 cc (4 cylinders), 1981 Opel Ascona is equipped with a bigger engine. In terms of performance, 1990 Alfa Romeo 33 (87 HP @ 6000 RPM) has 6 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 1990 Alfa Romeo 33 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1990 Alfa Romeo 33 weights approximately 11 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Opel Ascona (134 Nm @ 2600 RPM) has 21 more torque (in Nm) than 1990 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 1981 Opel Ascona will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo 33.
Compare all specifications:
| 1990 Alfa Romeo 33 | 1981 Opel Ascona | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Ascona |
| Year Released | 1990 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1349 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 87 HP | 81 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 113 Nm | 134 Nm |
| Torque RPM | 4500 RPM | 2600 RPM |
| Engine Bore Size | 80 mm | 79 mm |
| Engine Stroke Size | 67.2 mm | 81.5 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1025 kg | 1014 kg |
| Vehicle Length | 4210 mm | 4380 mm |
| Vehicle Width | 1620 mm | 1680 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2480 mm | 2580 mm |
