1984 Alfa Romeo 33 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1984 Alfa Romeo 33 would be higher. At 1,997 cc, 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (123 HP @ 5800 RPM) has 30 more horse power than 1984 Alfa Romeo 33. (93 HP @ 5750 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1984 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 268 kg more than 1984 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (180 Nm @ 4400 RPM) has 50 more torque (in Nm) than 1984 Alfa Romeo 33. (130 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1984 Alfa Romeo 33.
Compare all specifications:
| 1984 Alfa Romeo 33 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Astra |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1997 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 123 HP |
| Engine RPM | 5750 RPM | 5800 RPM |
| Torque | 130 Nm | 180 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 84.1 mm | 86 mm |
| Engine Stroke Size | 67.2 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 915 kg | 1183 kg |
| Wheelbase Size | 2410 mm | 2500 mm |
| Fuel Tank Capacity | 50 L | 52 L |
