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, 2006 Volkswagen Passat (197 HP @ 5100 RPM) has 23 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM) In normal driving conditions, 2006 Volkswagen Passat should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 195 kg more than 2006 Volkswagen Passat.
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 (370 Nm @ 1900 RPM) has 90 more torque (in Nm) than 2006 Volkswagen Passat. (280 Nm @ 1800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Volkswagen Passat. 2003 Opel Signum has automatic transmission and 2006 Volkswagen Passat has manual transmission. 2006 Volkswagen Passat will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
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 | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 197 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 370 Nm | 280 Nm |
| Torque RPM | 1900 RPM | 1800 RPM |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Acceleration 0-100mph | 9.9 seconds | 7.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 1500 kg |
| Vehicle Length | 4640 mm | 4780 mm |
| Vehicle Width | 1800 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1520 mm |
| Wheelbase Size | 2710 mm | 2720 mm |
| Fuel Consumption Overall | 7.9 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
