2007 Audi A6 vs. 2003 Opel Signum
To start off, 2007 Audi A6 is newer by 4 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 3,122 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (252 HP @ 6500 RPM) has 108 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 146 kg more than 2007 Audi A6.
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, 2007 Audi A6 (330 Nm @ 3250 RPM) has 90 more torque (in Nm) than 2003 Opel Signum. (240 Nm @ 3800 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2007 Audi A6 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 144 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 240 Nm |
| Torque RPM | 3250 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 13.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1686 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2640 mm |
| Fuel Consumption Overall | 9.7 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
