2004 Audi A6 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (138 HP @ 4000 RPM) has 39 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 55 kg more than 2004 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, 2004 Audi A6 (320 Nm @ 1750 RPM) has 90 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2004 Audi A6 | 2005 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 99 HP |
| Engine RPM | 4000 RPM | 3120 RPM |
| Torque | 320 Nm | 230 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Compression Ratio | 19.5:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 205 km/hour | 185 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 14 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1595 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2740 mm |
| Fuel Consumption Overall | 6 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
