2006 Mercedes-Benz C vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 1 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 3,497 cc (6 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz C (268 HP @ 6000 RPM) has 115 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2006 Mercedes-Benz C should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz C weights approximately 20 kg more than 2007 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz C is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz C will offer significantly more control. 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.
Compare all specifications:
| 2006 Mercedes-Benz C | 2007 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 153 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 211 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1555 kg | 1535 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1980 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Consumption Overall | 10.3 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
