2003 Opel Signum vs. 2005 Volkswagen Passat
To start off, 2005 Volkswagen Passat 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 2,771 cc (6 cylinders), 2005 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2005 Volkswagen Passat (190 HP @ 3200 RPM) has 75 more horse power than 2003 Opel Signum. (115 HP @ 3000 RPM) In normal driving conditions, 2005 Volkswagen Passat should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Volkswagen Passat weights approximately 12 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, both vehicles can yield 280 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Opel Signum | 2005 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Signum | Passat |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 115 HP | 190 HP |
| Engine RPM | 3000 RPM | 3200 RPM |
| Torque | 280 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 3200 RPM |
| Engine Bore Size | 84.1 mm | 82.5 mm |
| Engine Stroke Size | 98 mm | 86.4 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1547 kg |
| Vehicle Length | 4640 mm | 4710 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
