1985 Alfa Romeo 33 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 33 would be higher. At 1,698 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 33 (106 HP @ 6000 RPM) has 50 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1985 Alfa Romeo 33 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 135 kg more than 1985 Alfa Romeo 33.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1985 Alfa Romeo 33 (135 Nm @ 4000 RPM) has 30 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1985 Alfa Romeo 33 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
1985 Alfa Romeo 33 | 1991 Opel Astra | |
Make | Alfa Romeo | Opel |
Model | 33 | Astra |
Year Released | 1985 | 1991 |
Engine Position | Front | Front |
Engine Size | 1489 cc | 1698 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | boxer | in-line |
Horse Power | 106 HP | 56 HP |
Engine RPM | 6000 RPM | 4600 RPM |
Torque | 135 Nm | 105 Nm |
Torque RPM | 4000 RPM | 2400 RPM |
Engine Bore Size | 84 mm | 82.5 mm |
Engine Stroke Size | 67.2 mm | 79.5 mm |
Engine Compression Ratio | 9.4:1 | 23.0:1 |
Top Speed | 180 km/hour | 150 km/hour |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 900 kg | 1035 kg |
Vehicle Length | 4020 mm | 4250 mm |
Vehicle Width | 1620 mm | 1690 mm |
Vehicle Height | 1310 mm | 1430 mm |
Wheelbase Size | 2460 mm | 2530 mm |