2003 Opel Signum vs. 2006 Volkswagen Passat
To start off, 2006 Volkswagen Passat is newer by 3 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 73 more horse power than 2006 Volkswagen Passat. (102 HP @ 5600 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2006 Volkswagen Passat. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 197 kg more than 2006 Volkswagen Passat. 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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 223 more torque (in Nm) than 2006 Volkswagen Passat. (148 Nm @ 3800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Volkswagen Passat.
Compare all specifications:
| 2003 Opel Signum | 2006 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Signum | Passat |
| Year Released | 2003 | 2006 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1595 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 102 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 371 Nm | 148 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 87.5 mm | 81 mm |
| Engine Stroke Size | 82 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 187 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 12.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1473 kg |
| Vehicle Length | 4640 mm | 4780 mm |
| Vehicle Width | 1800 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1520 mm |
| Wheelbase Size | 2700 mm | 2720 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
