2008 Audi A6 vs. 2006 Opel Signum
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 5,203 cc (10 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (429 HP @ 6800 RPM) has 254 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 300 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A6 (540 Nm @ 3000 RPM) has 170 more torque (in Nm) than 2006 Opel Signum. (370 Nm @ 1900 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2008 Audi A6 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2008 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5203 cc | 2958 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 429 HP | 175 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 540 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 12.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1970 kg | 1670 kg |
| Vehicle Length | 4940 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
