2006 Audi A4 vs. 2004 Opel Signum
To start off, 2006 Audi A4 is newer by 2 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 1,983 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (200 HP @ 5100 RPM) has 75 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 500 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, 2006 Audi A4 (281 Nm @ 1800 RPM) has 111 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2006 Audi A4 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2006 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 125 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 281 Nm | 170 Nm |
| Torque RPM | 1800 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1380 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2700 mm |
| Fuel Consumption Highway | 8 L/100km | 6.1 L/100km |
| Fuel Consumption City | 10.8 L/100km | 11.1 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
