2011 Mercedes-Benz SL vs. 2006 Opel Signum
To start off, 2011 Mercedes-Benz SL is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 6,200 cc (8 cylinders), 2011 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SL (518 HP @ 6800 RPM) has 343 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2011 Mercedes-Benz SL should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz SL weights approximately 269 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Mercedes-Benz SL 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 2011 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2011 Mercedes-Benz SL (630 Nm @ 5200 RPM) has 260 more torque (in Nm) than 2006 Opel Signum. (370 Nm @ 1900 RPM). This means 2011 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2011 Mercedes-Benz SL | 2006 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | SL | Signum |
| Year Released | 2011 | 2006 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6200 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 518 HP | 175 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 630 Nm | 370 Nm |
| Torque RPM | 5200 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1939 kg | 1670 kg |
| Vehicle Length | 4592 mm | 4640 mm |
| Vehicle Width | 1816 mm | 1800 mm |
| Vehicle Height | 1298 mm | 1470 mm |
| Wheelbase Size | 2560 mm | 2840 mm |
| Fuel Tank Capacity | 80 L | 60 L |
