2007 Audi S8 vs. 2004 Opel Signum
To start off, 2007 Audi S8 is newer by 3 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 296 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 330 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 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 214 more torque (in Nm) than 2004 Opel Signum. (326 Nm @ 2000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2007 Audi S8 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. 2007 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S8 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | S8 | Signum |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1908 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 148 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 540 Nm | 326 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 90.4 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 209 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 10.5 seconds |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1610 kg |
| Vehicle Length | 5070 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Consumption Overall | 13.6 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
