1991 Mercedes-Benz 500 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 500. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 500 would be higher. At 4,973 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP @ 5700 RPM) has 174 more horse power than 2003 Opel Signum. (152 HP @ 5600 RPM). In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 500 weights approximately 447 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Mercedes-Benz 500 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 1991 Mercedes-Benz 500. 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, 1991 Mercedes-Benz 500 (480 Nm @ 3900 RPM) has 260 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 1991 Mercedes-Benz 500 | 2003 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | 500 | Signum |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4973 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 152 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 480 Nm | 220 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 85 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Top Speed | 249 km/hour | 206 km/hour |
| Acceleration 0-100mph | 7 seconds | 11 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2012 kg | 1565 kg |
| Vehicle Length | 5110 mm | 4640 mm |
| Vehicle Width | 1890 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3050 mm | 2840 mm |
