1999 Mercedes-Benz SL vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SL would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz SL (190 HP @ 5500 RPM) has 15 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1999 Mercedes-Benz SL should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz SL weights approximately 90 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 1999 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 1999 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 99 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm @ 3750 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL. 2006 Opel Signum has automatic transmission and 1999 Mercedes-Benz SL has manual transmission. 1999 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Mercedes-Benz SL | 2006 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | SL | Signum |
| Year Released | 1999 | 2006 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2799 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 175 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 271 Nm | 370 Nm |
| Torque RPM | 3750 RPM | 1900 RPM |
| Engine Bore Size | 89.9 mm | 87.5 mm |
| Engine Stroke Size | 73.5 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1670 kg |
| Vehicle Length | 4470 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 80 L | 60 L |
