2004 Audi A8 vs. 2004 Opel Signum
To start off, both 2004 Audi A8 and 2004 Opel Signum were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,975 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (217 HP @ 6300 RPM) has 44 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 110 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.
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 A8 (300 Nm @ 8200 RPM) has 35 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Audi A8 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | A8 | Signum |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 265 Nm |
| Torque RPM | 8200 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1560 kg |
| Vehicle Length | 5060 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 42 L | 60 L |
