2004 Audi A6 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,175 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (208 HP @ 6200 RPM) has 28 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 52 kg more than 2006 Opel Signum.
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 Opel Signum (301 Nm @ 4000 RPM) has 66 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 208 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 235 Nm | 301 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 77.4 mm | 88 mm |
| Top Speed | 221 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1610 kg |
| Vehicle Length | 4940 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
