2004 Alfa Romeo Spider vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo Spider would be higher. At 1,995 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo Spider (148 HP @ 6300 RPM) has 48 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM). In normal driving conditions, 2004 Alfa Romeo Spider should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo Spider weights approximately 97 kg more than 2005 Opel Astra. 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 (230 Nm @ 1950 RPM) has 49 more torque (in Nm) than 2004 Alfa Romeo Spider. (181 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo Spider.
Compare all specifications:
| 2004 Alfa Romeo Spider | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Astra |
| Year Released | 2004 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 100 HP |
| Engine RPM | 6300 RPM | 4300 RPM |
| Torque | 181 Nm | 230 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Top Speed | 210 km/hour | 183 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1385 kg |
| Vehicle Length | 4310 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
