2008 Audi A6 vs. 2003 Opel Signum
To start off, 2008 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 4,163 cc, 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (330 HP @ 6600 RPM) has 156 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 50 kg more than 2003 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 2003 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 (421 Nm @ 3500 RPM) has 51 more torque (in Nm) than 2003 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 2003 Opel Signum.
Compare all specifications:
| 2008 Audi A6 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2958 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 174 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 421 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 87.6 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Acceleration 0-100mph | 6.1 seconds | 9.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1745 kg | 1695 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Highway | 9.5 L/100km | 6 L/100km |
| Fuel Consumption City | 19 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 11.6 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
