2004 Opel Signum vs. 2005 Audi A6
To start off, 2005 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,123 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 79 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 120 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A6 (331 Nm @ 3250 RPM) has 66 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2005 Audi A6 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2005 Audi A6 | |
| Make | Opel | Audi |
| Model | Signum | A6 |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3123 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 173 HP | 252 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 265 Nm | 331 Nm |
| Torque RPM | 2500 RPM | 3250 RPM |
| Engine Bore Size | 86 mm | 84.5 mm |
| Engine Stroke Size | 86 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 250 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1680 kg |
| Vehicle Length | 4640 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Consumption Overall | 9.4 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 60 L | 80 L |
