2008 Mercedes-Benz C vs. 2003 Opel Signum
To start off, 2008 Mercedes-Benz C is newer by 5 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 3,199 cc (6 cylinders), 2008 Mercedes-Benz C is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz C weights approximately 105 kg more than 2003 Opel Signum.
Because 2008 Mercedes-Benz C is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 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. Let's talk about torque, 2008 Mercedes-Benz C (310 Nm @ 3000 RPM) has 144 more torque (in Nm) than 2003 Opel Signum. (166 Nm @ 3800 RPM). This means 2008 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2008 Mercedes-Benz C has automatic transmission and 2003 Opel Signum has manual transmission. 2003 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mercedes-Benz C | 2003 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 0 HP | 120 HP |
| Torque | 310 Nm | 166 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 90 mm | 80.5 mm |
| Engine Stroke Size | 84 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 8 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1640 kg | 1535 kg |
| Vehicle Length | 4630 mm | 4640 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Consumption Overall | 11.3 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
