2005 Dodge Viper vs. 2003 Opel Speedster
To start off, 2005 Dodge Viper 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 8,276 cc (10 cylinders), 2005 Dodge Viper is equipped with a bigger engine. In terms of performance, 2005 Dodge Viper (493 HP @ 5600 RPM) has 348 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2005 Dodge Viper should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Dodge Viper weights approximately 647 kg more than 2003 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2005 Dodge Viper (712 Nm @ 4200 RPM) has 509 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2005 Dodge Viper will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2005 Dodge Viper | 2003 Opel Speedster | |
| Make | Dodge | Opel |
| Model | Viper | Speedster |
| Year Released | 2005 | 2003 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 8276 cc | 2198 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 493 HP | 145 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 712 Nm | 203 Nm |
| Torque RPM | 4200 RPM | 4000 RPM |
| Engine Bore Size | 102.5 mm | 86 mm |
| Engine Stroke Size | 100.6 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 3.9 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1523 kg | 876 kg |
| Vehicle Length | 4470 mm | 3790 mm |
| Vehicle Width | 1920 mm | 1710 mm |
| Vehicle Height | 1220 mm | 1120 mm |
| Wheelbase Size | 2520 mm | 2710 mm |
| Fuel Consumption Overall | 19.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 36 L |
