2004 Opel Signum vs. 2005 Rolls-Royce Corniche
To start off, 2005 Rolls-Royce Corniche is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 6,750 cc (8 cylinders), 2005 Rolls-Royce Corniche is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Rolls-Royce Corniche weights approximately 1175 kg more than 2004 Opel Signum.
Because 2005 Rolls-Royce Corniche 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 2005 Rolls-Royce Corniche. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2005 Rolls-Royce Corniche (739 Nm @ 2100 RPM) has 474 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 Rolls-Royce Corniche will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2005 Rolls-Royce Corniche has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Rolls-Royce Corniche will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2005 Rolls-Royce Corniche | |
| Make | Opel | Rolls-Royce |
| Model | Signum | Corniche |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 6750 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 0 HP |
| Torque | 265 Nm | 739 Nm |
| Torque RPM | 2500 RPM | 2100 RPM |
| Engine Bore Size | 86 mm | 104.2 mm |
| Engine Stroke Size | 86 mm | 99.1 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 2735 kg |
| Wheelbase Size | 2840 mm | 3070 mm |
| Fuel Tank Capacity | 60 L | 100 L |
