2003 Opel Signum vs. 2008 Audi A6
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 2,965 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (230 HP @ 4000 RPM) has 55 more horse power than 2003 Opel Signum. (175 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 150 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 (450 Nm @ 1400 RPM) has 80 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. 2008 Audi A6 has automatic transmission and 2003 Opel Signum has manual transmission. 2003 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Signum | 2008 Audi A6 | |
| Make | Opel | Audi |
| Model | Signum | A6 |
| Year Released | 2003 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 230 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 450 Nm |
| Torque RPM | 1900 RPM | 1400 RPM |
| Engine Bore Size | 87.5 mm | 83 mm |
| Engine Stroke Size | 82 mm | 91.4 mm |
| Engine Compression Ratio | 18.5:1 | 17.0:1 |
| Top Speed | 221 km/hour | 247 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1820 kg |
| Vehicle Length | 4640 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2700 mm | 2850 mm |
| Fuel Consumption Overall | 7.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 60 L | 80 L |
