1998 Mercedes-Benz SL vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz SL would be higher. At 3,175 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (209 HP @ 6200 RPM) has 5 more horse power than 1998 Mercedes-Benz SL. (204 HP @ 5700 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1998 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercedes-Benz SL weights approximately 265 kg more than 2003 Opel Signum.
Because 1998 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 1998 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 30 more torque (in Nm) than 1998 Mercedes-Benz SL. (270 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercedes-Benz SL.
Compare all specifications:
| 1998 Mercedes-Benz SL | 2003 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | SL | Signum |
| Year Released | 1998 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2799 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 204 HP | 209 HP |
| Engine RPM | 5700 RPM | 6200 RPM |
| Torque | 270 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 89.9 mm | 87.5 mm |
| Engine Stroke Size | 73.5 mm | 88 mm |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1810 kg | 1545 kg |
| Vehicle Length | 4510 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 |
