2005 Opel Signum vs. 2012 Mercedes-Benz C
To start off, 2012 Mercedes-Benz C is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 39 more horse power than 2012 Mercedes-Benz C. (136 HP @ 2800 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 2012 Mercedes-Benz C.
Because 2012 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 2012 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 @ 1900 RPM) has 10 more torque (in Nm) than 2012 Mercedes-Benz C. (360 Nm @ 1600 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz C. 2012 Mercedes-Benz C has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 2012 Mercedes-Benz C | |
| Make | Opel | Mercedes-Benz |
| Model | Signum | C |
| Year Released | 2005 | 2012 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2143 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 136 HP |
| Engine RPM | 4000 RPM | 2800 RPM |
| Torque | 370 Nm | 360 Nm |
| Torque RPM | 1900 RPM | 1600 RPM |
| Engine Compression Ratio | 18.5:1 | 16.2:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 221 km/hour | 209 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 9.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4640 mm | 4606 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1459 mm |
| Wheelbase Size | 2620 mm | 2760 mm |
| Fuel Tank Capacity | 60 L | 66 L |
