2004 Opel Vectra vs. 1998 Opel Speedster
To start off, 2004 Opel Vectra is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Opel Speedster. In addition, the cost of maintenance, including insurance, on 1998 Opel Speedster would be higher. At 2,958 cc (6 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (149 HP @ 4000 RPM) has 4 more horse power than 1998 Opel Speedster. (145 HP @ 5800 RPM). In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1998 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 668 kg more than 1998 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 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 1998 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Vectra (370 Nm @ 1900 RPM) has 167 more torque (in Nm) than 1998 Opel Speedster. (203 Nm @ 4000 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Speedster.
Compare all specifications:
| 2004 Opel Vectra | 1998 Opel Speedster | |
| Make | Opel | Opel |
| Model | Vectra | Speedster |
| Year Released | 2004 | 1998 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2958 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 145 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 370 Nm | 203 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Top Speed | 226 km/hour | 217 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1613 kg | 945 kg |
| Vehicle Length | 4600 mm | 3790 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1120 mm |
| Wheelbase Size | 2840 mm | 2340 mm |
| Fuel Tank Capacity | 61 L | 60 L |
