1999 Opel Signum vs. 2008 Rolls-Royce Phantom
To start off, 2008 Rolls-Royce Phantom is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 6,747 cc (12 cylinders), 2008 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2008 Rolls-Royce Phantom (454 HP @ 5350 RPM) has 355 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2008 Rolls-Royce Phantom should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Rolls-Royce Phantom weights approximately 900 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Rolls-Royce Phantom 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 2008 Rolls-Royce Phantom. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2008 Rolls-Royce Phantom (720 Nm @ 3500 RPM) has 480 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 2008 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 1999 Opel Signum | 2008 Rolls-Royce Phantom | |
| Make | Opel | Rolls-Royce |
| Model | Signum | Phantom |
| Year Released | 1999 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 6747 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 454 HP |
| Engine RPM | 3120 RPM | 5350 RPM |
| Torque | 240 Nm | 720 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 84.6 mm |
| Engine Compression Ratio | 18.5:1 | 11.0:1 |
| Top Speed | 185 km/hour | 240 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 2495 kg |
| Vehicle Length | 4640 mm | 5840 mm |
| Vehicle Width | 1800 mm | 2000 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2840 mm | 3580 mm |
| Fuel Tank Capacity | 60 L | 100 L |
