2005 Alfa Romeo Spider vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo Spider would be higher. At 1,998 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (168 HP @ 5200 RPM) has 5 more horse power than 2005 Alfa Romeo Spider. (163 HP @ 6400 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2005 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 35 kg more than 2005 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, 2006 Opel Astra (250 Nm @ 1950 RPM) has 44 more torque (in Nm) than 2005 Alfa Romeo Spider. (206 Nm @ 3250 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo Spider.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Astra |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 163 HP | 168 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 206 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 210 km/hour | 224 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1515 kg |
| Vehicle Length | 4310 mm | 4480 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1320 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Consumption Overall | 9.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
