2008 Audi A8 vs. 2005 Opel Signum
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 5,204 cc (10 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (444 HP @ 7000 RPM) has 324 more horse power than 2005 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 458 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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 A8 (541 Nm @ 3500 RPM) has 376 more torque (in Nm) than 2005 Opel Signum. (165 Nm @ 3800 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2008 Audi A8 has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 Audi A8 | 2005 Opel Signum | |
Make | Audi | Opel |
Model | A8 | Signum |
Year Released | 2008 | 2005 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 5204 cc | 1796 cc |
Engine Cylinders | 10 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 444 HP | 120 HP |
Engine RPM | 7000 RPM | 6000 RPM |
Torque | 541 Nm | 165 Nm |
Torque RPM | 3500 RPM | 3800 RPM |
Engine Bore Size | 84.5 mm | 80.5 mm |
Engine Stroke Size | 92.8 mm | 88.2 mm |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 250 km/hour | 197 km/hour |
Acceleration 0-100mph | 5.1 seconds | 12.2 seconds |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1940 kg | 1482 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 | 13.4 L/100km | 7.9 L/100km |
Fuel Tank Capacity | 90 L | 60 L |