2003 Opel Signum vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,198 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (168 HP @ 3800 RPM) has 24 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 56 kg more than 2009 Mercedes-Benz C.
Because 2009 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 2009 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2009 Mercedes-Benz C (400 Nm @ 2000 RPM) has 160 more torque (in Nm) than 2003 Opel Signum. (240 Nm @ 3800 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Opel Signum | 2009 Mercedes-Benz C | |
| Make | Opel | Mercedes-Benz |
| Model | Signum | C |
| Year Released | 2003 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 2148 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 144 HP | 168 HP |
| Engine RPM | 6000 RPM | 3800 RPM |
| Torque | 240 Nm | 400 Nm |
| Torque RPM | 3800 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 88.1 mm |
| Engine Stroke Size | 94.6 mm | 88.3 mm |
| Engine Compression Ratio | 12.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1686 kg | 1630 kg |
| Vehicle Length | 4640 mm | 4600 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2770 mm |
| Fuel Consumption Overall | 5.2 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 58 L | 66 L |
