2003 Alfa Romeo Spider vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo Spider (236 HP @ 6200 RPM) has 116 more horse power than 2004 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo Spider should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 20 kg more than 2003 Alfa Romeo Spider.
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 (289 Nm @ 4800 RPM) has 122 more torque (in Nm) than 2004 Opel Vectra. (167 Nm @ 3800 RPM). This means 2003 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2003 Alfa Romeo Spider | 2004 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Vectra |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 120 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 167 Nm |
| Torque RPM | 4800 RPM | 3800 RPM |
| Engine Bore Size | 93.1 mm | 80.5 mm |
| Engine Stroke Size | 78 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Acceleration 0-100mph | 6.3 seconds | 12.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1490 kg |
| Vehicle Length | 4310 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 13.2 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
