2004 Opel Signum vs. 2007 Volkswagen Passat
To start off, 2007 Volkswagen Passat is newer by 3 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 1,966 cc (4 cylinders), 2007 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2007 Volkswagen Passat (168 HP @ 4200 RPM) has 43 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM) In normal driving conditions, 2007 Volkswagen Passat should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volkswagen Passat weights approximately 152 kg more than 2004 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, 2007 Volkswagen Passat (350 Nm @ 1800 RPM) has 180 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2007 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2007 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Signum | Passat |
| Year Released | 2004 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1966 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 125 HP | 168 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 170 Nm | 350 Nm |
| Torque RPM | 3800 RPM | 1800 RPM |
| Engine Bore Size | 80.5 mm | 81 mm |
| Engine Stroke Size | 88.2 mm | 95.5 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 197 km/hour | 223 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1380 kg | 1532 kg |
| Vehicle Length | 4640 mm | 4770 mm |
| Vehicle Width | 1800 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2700 mm | 2720 mm |
| Fuel Consumption | 6.1 L/100km | 7.4 L/100km |
| Fuel Consumption City | 11.1 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 58 L | 70 L |
