2009 Audi A8 vs. 2008 Opel Signum
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (322 HP @ 3750 RPM) has 147 more horse power than 2008 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 275 kg more than 2008 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (650 Nm @ 1600 RPM) has 280 more torque (in Nm) than 2008 Opel Signum. (370 Nm @ 1900 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
2009 Audi A8 | 2008 Opel Signum | |
Make | Audi | Opel |
Model | A8 | Signum |
Year Released | 2009 | 2008 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 4134 cc | 2957 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 322 HP | 175 HP |
Engine RPM | 3750 RPM | 4000 RPM |
Torque | 650 Nm | 370 Nm |
Torque RPM | 1600 RPM | 1900 RPM |
Engine Bore Size | 83 mm | 87.5 mm |
Engine Stroke Size | 95.5 mm | 82 mm |
Engine Compression Ratio | 16.5:1 | 18.5:1 |
Fuel Type | Diesel | Diesel |
Top Speed | 250 km/hour | 221 km/hour |
Acceleration 0-100mph | 5.9 seconds | 9.4 seconds |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1945 kg | 1670 kg |
Vehicle Length | 5070 mm | 4640 mm |
Vehicle Width | 1900 mm | 1800 mm |
Vehicle Height | 1450 mm | 1470 mm |
Wheelbase Size | 2950 mm | 2840 mm |
Fuel Consumption Overall | 9.4 L/100km | 7.4 L/100km |
Fuel Tank Capacity | 90 L | 60 L |