2006 Mercedes-Benz C vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz C would be higher. At 3,175 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (208 HP @ 6200 RPM) has 60 more horse power than 2006 Mercedes-Benz C. (148 HP @ 4200 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz C weights approximately 175 kg more than 2008 Opel Signum.
Because 2006 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 2006 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2006 Mercedes-Benz C (340 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2008 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2006 Mercedes-Benz C | 2008 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2006 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2147 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 340 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 224 km/hour | 237 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1785 kg | 1610 kg |
| Vehicle Length | 4860 mm | 4640 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
| Fuel Consumption Overall | 6.4 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
