2003 Alfa Romeo Spider vs. 1999 Opel Astra
To start off, 2003 Alfa Romeo Spider is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Opel Astra. In addition, the cost of maintenance, including insurance, on 1999 Opel Astra would be higher. At 1,908 cc (4 cylinders), 2003 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo Spider (148 HP @ 6300 RPM) has 59 more horse power than 1999 Opel Astra. (89 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo Spider should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo Spider weights approximately 280 kg more than 1999 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, 2003 Alfa Romeo Spider (181 Nm @ 3800 RPM) has 56 more torque (in Nm) than 1999 Opel Astra. (125 Nm @ 4000 RPM). This means 2003 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra.
Compare all specifications:
| 2003 Alfa Romeo Spider | 1999 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Astra |
| Year Released | 2003 | 1999 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1389 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 89 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 125 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 77.6 mm |
| Engine Stroke Size | 91 mm | 73.4 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1150 kg |
| Vehicle Length | 4180 mm | 4250 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1320 mm | 1410 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
