2002 Mercedes-Benz C vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2002 Mercedes-Benz C would be higher. At 3,199 cc (6 cylinders), 2002 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2002 Mercedes-Benz C (215 HP @ 5700 RPM) has 40 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2002 Mercedes-Benz C should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mercedes-Benz C weights approximately 45 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 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, 2002 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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 61 more torque (in Nm) than 2002 Mercedes-Benz C. (310 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2002 Mercedes-Benz C.
Compare all specifications:
| 2002 Mercedes-Benz C | 2003 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2002 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 310 Nm | 371 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 90 mm | 87.5 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Acceleration 0-100mph | 8 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1715 kg | 1670 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2700 mm |
| Fuel Tank Capacity | 62 L | 60 L |
