1985 Alfa Romeo 33 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 20 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 1,598 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 33 (106 HP @ 6000 RPM) has 4 more horse power than 2005 Opel Astra. (102 HP @ 6000 RPM). In normal driving conditions, 1985 Alfa Romeo 33 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 345 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, 2005 Opel Astra (147 Nm @ 3600 RPM) has 12 more torque (in Nm) than 1985 Alfa Romeo 33. (135 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 33.
Compare all specifications:
| 1985 Alfa Romeo 33 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Astra |
| Year Released | 1985 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 106 HP | 102 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 135 Nm | 147 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Top Speed | 180 km/hour | 178 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 900 kg | 1245 kg |
| Vehicle Length | 4020 mm | 4290 mm |
| Vehicle Width | 1620 mm | 1720 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2530 mm |
