2008 Audi A8 vs. 2005 Bentley Arnage
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Bentley Arnage. In addition, the cost of maintenance, including insurance, on 2005 Bentley Arnage would be higher. At 6,750 cc (8 cylinders), 2005 Bentley Arnage is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 51 more horse power than 2005 Bentley Arnage. (399 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Bentley Arnage.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Bentley Arnage. 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, 2005 Bentley Arnage (835 Nm @ 3250 RPM) has 255 more torque (in Nm) than 2008 Audi A8. (580 Nm @ 4000 RPM). This means 2005 Bentley Arnage will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2005 Bentley Arnage | |
| Make | Audi | Bentley |
| Model | A8 | Arnage |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 6750 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 399 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 835 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 104.2 mm |
| Engine Stroke Size | 90.2 mm | 99.1 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5200 mm | 5410 mm |
| Vehicle Width | 1900 mm | 1940 mm |
| Vehicle Height | 1460 mm | 1520 mm |
| Wheelbase Size | 3080 mm | 3070 mm |
| Fuel Consumption Overall | 13.8 L/100km | 19.3 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
