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 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 123 more horse power than 2008 Opel Signum. (149 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 327 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 @ 1800 RPM) has 335 more torque (in Nm) than 2008 Opel Signum. (315 Nm @ 2000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum. 2009 Audi A8 has automatic transmission and 2008 Opel Signum has manual transmission. 2008 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
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 | 3936 cc | 1910 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 272 HP | 149 HP |
Engine RPM | 3750 RPM | 4000 RPM |
Torque | 650 Nm | 315 Nm |
Torque RPM | 1800 RPM | 2000 RPM |
Engine Bore Size | 81 mm | 82 mm |
Engine Stroke Size | 95.5 mm | 90.4 mm |
Engine Compression Ratio | 18.0:1 | 18.0:1 |
Fuel Type | Diesel | Diesel |
Top Speed | 250 km/hour | 209 km/hour |
Acceleration 0-100mph | 6.8 seconds | 10.5 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 | 1613 kg |
Vehicle Length | 5190 mm | 4640 mm |
Vehicle Width | 1900 mm | 1800 mm |
Vehicle Height | 1460 mm | 1470 mm |
Wheelbase Size | 3080 mm | 2840 mm |
Fuel Consumption Overall | 9.6 L/100km | 6.1 L/100km |
Fuel Tank Capacity | 90 L | 60 L |