2008 Mercedes-Benz C vs. 2005 Opel Signum
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 Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 2,597 cc, 2008 Mercedes-Benz C is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 25 kg more than 2008 Mercedes-Benz C.
Because 2008 Mercedes-Benz C 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 2008 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Signum, 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, 2005 Opel Signum (280 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2008 Mercedes-Benz C. (240 Nm @ 4500 RPM). This means 2005 Opel Signum 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 Signum has manual transmission. 2005 Opel Signum 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:
| 2008 Mercedes-Benz C | 2005 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2597 cc | 2171 cc |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 0 HP | 124 HP |
| Torque | 240 Nm | 280 Nm |
| Torque RPM | 4500 RPM | 1500 RPM |
| Engine Bore Size | 89.9 mm | 84 mm |
| Engine Stroke Size | 68.2 mm | 98 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 229 km/hour | 201 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 11.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1610 kg |
| Vehicle Length | 4980 mm | 4640 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2710 mm |
| Fuel Consumption Overall | 11.6 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
