2006 Audi A6 vs. 2004 Opel Signum
To start off, 2006 Audi A6 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 2,698 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (178 HP @ 3300 RPM) has 5 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 135 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.
Because 2006 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Audi A6 will offer significantly more control. 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 A6 (380 Nm @ 1400 RPM) has 115 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2006 Audi A6 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2006 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 173 HP |
| Engine RPM | 3300 RPM | 5500 RPM |
| Torque | 380 Nm | 265 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 83.1 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 220 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 1560 kg |
| Vehicle Length | 4940 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
