2005 Mercedes-Benz SLK vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 20 more horse power than 2007 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 345 kg more than 2005 Mercedes-Benz SLK.
Because 2005 Mercedes-Benz SLK 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 2005 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2007 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 Mercedes-Benz SLK (301 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2007 Opel Signum. (300 Nm @ 4000 RPM). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2005 Mercedes-Benz SLK | 2007 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | SLK | Signum |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 208 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 301 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Top Speed | 250 km/hour | 237 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1610 kg |
| Vehicle Length | 4090 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 60 L |
