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 1,979 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (198 HP @ 5600 RPM) has 50 more horse power than 2004 Alfa Romeo Spider. (148 HP @ 6300 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 288 kg more than 2004 Alfa Romeo Spider. 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 (250 Nm @ 1950 RPM) has 69 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 | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1979 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 198 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 181 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Top Speed | 210 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1482 kg | 1770 kg |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Overall | 9.2 L/100km | 9 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
