2006 Mercedes-Benz C vs. 2004 Opel Signum
To start off, 2006 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,148 cc (4 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 25 more horse power than 2006 Mercedes-Benz C. (148 HP @ 4200 RPM) In normal driving conditions, 2004 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 225 kg more than 2004 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, 2004 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 75 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2006 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2006 Mercedes-Benz C | 2004 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2148 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 173 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 340 Nm | 265 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 88.3 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 224 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1785 kg | 1560 kg |
| Vehicle Length | 4860 mm | 4640 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Consumption Overall | 6.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
