2003 Opel Signum vs. 2005 Renault Vel Satis
To start off, 2005 Renault Vel Satis is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,498 cc (6 cylinders), 2005 Renault Vel Satis is equipped with a bigger engine. In terms of performance, 2005 Renault Vel Satis (237 HP @ 6000 RPM) has 64 more horse power than 2003 Opel Signum. (173 HP @ 5600 RPM) In normal driving conditions, 2005 Renault Vel Satis should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Renault Vel Satis weights approximately 227 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Renault Vel Satis (330 Nm @ 3600 RPM) has 50 more torque (in Nm) than 2003 Opel Signum. (280 Nm @ 2500 RPM). This means 2005 Renault Vel Satis will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Opel Signum | 2005 Renault Vel Satis | |
| Make | Opel | Renault |
| Model | Signum | Vel Satis |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 237 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 280 Nm | 330 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 95.5 mm |
| Engine Stroke Size | 86 mm | 81.4 mm |
| Engine Compression Ratio | 9.5:1 | 10.3:1 |
| Top Speed | 220 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 8.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1722 kg |
| Vehicle Length | 4640 mm | 4870 mm |
| Vehicle Width | 1800 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1580 mm |
| Wheelbase Size | 2720 mm | 2630 mm |
| Fuel Consumption | 6.9 L/100km | 8.5 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 58 L | 80 L |
