2005 Opel Vectra vs. 2003 Opel Speedster
To start off, 2005 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 1,998 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Speedster (197 HP @ 5500 RPM) has 24 more horse power than 2005 Opel Vectra. (173 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Speedster should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 480 kg more than 2003 Opel Speedster.
Because 2003 Opel Speedster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 Vectra (265 Nm @ 2500 RPM) has 15 more torque (in Nm) than 2003 Opel Speedster. (250 Nm @ 1950 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2005 Opel Vectra | 2003 Opel Speedster | |
| Make | Opel | Opel |
| Model | Vectra | Speedster |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1998 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 197 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 265 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 1950 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 230 km/hour | 243 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1005 kg |
| Vehicle Length | 4600 mm | 3790 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1120 mm |
| Wheelbase Size | 2620 mm | 2400 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 61 L | 36 L |
