2005 Opel Speedster vs. 2008 Mercedes-Benz C
To start off, 2008 Mercedes-Benz C 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 2,496 cc (6 cylinders), 2008 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz C (201 HP @ 6200 RPM) has 4 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2008 Mercedes-Benz C should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz C weights approximately 525 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.
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 Opel Speedster (251 Nm @ 1950 RPM) has 6 more torque (in Nm) than 2008 Mercedes-Benz C. (245 Nm @ 2900 RPM). This means 2005 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz C. 2008 Mercedes-Benz C has automatic transmission and 2005 Opel Speedster has manual transmission. 2005 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Speedster | 2008 Mercedes-Benz C | |
| Make | Opel | Mercedes-Benz |
| Model | Speedster | C |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 201 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 251 Nm | 245 Nm |
| Torque RPM | 1950 RPM | 2900 RPM |
| Engine Bore Size | 86 mm | 88 mm |
| Engine Stroke Size | 86 mm | 68.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 243 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 8.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1530 kg |
| Vehicle Length | 3790 mm | 4530 mm |
| Vehicle Width | 1710 mm | 1730 mm |
| Vehicle Height | 1120 mm | 1430 mm |
| Wheelbase Size | 2340 mm | 2720 mm |
| Fuel Consumption Overall | 8.5 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 36 L | 62 L |
