2005 Mercedes-Benz C vs. 2007 Opel Speedster
To start off, 2007 Opel Speedster is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 2,685 cc (6 cylinders), 2005 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Opel Speedster (197 HP @ 5500 RPM) has 30 more horse power than 2005 Mercedes-Benz C. (167 HP @ 4200 RPM) In normal driving conditions, 2007 Opel Speedster should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 519 kg more than 2007 Opel Speedster.
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, 2007 Opel Speedster (250 Nm) has 10 more torque (in Nm) than 2005 Mercedes-Benz C. (240 Nm). This means 2007 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2005 Mercedes-Benz C | 2007 Opel Speedster | |
| Make | Mercedes-Benz | Opel |
| Model | C | Speedster |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2685 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 167 HP | 197 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 240 Nm | 250 Nm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1524 kg | 1005 kg |
| Vehicle Length | 4540 mm | 3790 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1120 mm |
| Wheelbase Size | 2860 mm | 2340 mm |
| Fuel Consumption Overall | 11.4 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 62 L | 36 L |
