2004 Mercedes-Benz C vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz C would be higher. At 3,199 cc (6 cylinders), 2004 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz C (215 HP @ 4200 RPM) has 40 more horse power than 2005 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2004 Mercedes-Benz C should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 145 kg more than 2004 Mercedes-Benz C.
Because 2004 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 2004 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (370 Nm) has 60 more torque (in Nm) than 2004 Mercedes-Benz C. (310 Nm). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz C. 2005 Opel Signum has automatic transmission and 2004 Mercedes-Benz C has manual transmission. 2004 Mercedes-Benz C will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Mercedes-Benz C | 2005 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | C | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 310 Nm | 370 Nm |
| Engine Bore Size | 90 mm | 87.5 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Acceleration 0-100mph | 7.7 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1670 kg |
| Vehicle Length | 4350 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2620 mm |
| Fuel Tank Capacity | 62 L | 60 L |
