2004 Opel Signum vs. 2006 Mercedes-Benz C
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 2,496 cc (6 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz C (201 HP @ 6200 RPM) has 28 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2006 Mercedes-Benz C should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 30 kg more than 2006 Mercedes-Benz C.
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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2006 Mercedes-Benz C. (245 Nm @ 2900 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C. 2006 Mercedes-Benz C has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2006 Mercedes-Benz C | |
| Make | Opel | Mercedes-Benz |
| Model | Signum | C |
| Year Released | 2004 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 201 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 265 Nm | 245 Nm |
| Torque RPM | 2500 RPM | 2900 RPM |
| Engine Bore Size | 86 mm | 88 mm |
| Engine Stroke Size | 86 mm | 68.4 mm |
| Engine Compression Ratio | 9.5:1 | 11.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 245 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1530 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 60 L | 62 L |
