2005 Opel Speedster vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2005 Opel Speedster would be higher. At 3,175 cc (6 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (208 HP @ 6200 RPM) has 11 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 519 kg more than 2005 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Opel Vectra (300 Nm @ 4000 RPM) has 49 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2008 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster.
Compare all specifications:
| 2005 Opel Speedster | 2008 Opel Vectra | |
| Make | Opel | Opel |
| Model | Speedster | Vectra |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 251 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 243 km/hour | 248 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 7.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1524 kg |
| Vehicle Length | 3790 mm | 4600 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1120 mm | 1470 mm |
| Wheelbase Size | 2340 mm | 2710 mm |
| Fuel Consumption Overall | 8.5 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 36 L | 61 L |
