2009 Audi A8 vs. 2006 BMW 523
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 523. In addition, the cost of maintenance, including insurance, on 2006 BMW 523 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 (271 HP) has 96 more horse power than 2006 BMW 523. (175 HP). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2006 BMW 523.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 523. 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 420 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523. 2009 Audi A8 has automatic transmission and 2006 BMW 523 has manual transmission. 2006 BMW 523 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 | 2006 BMW 523 | |
| Make | Audi | BMW |
| Model | A8 | 523 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 175 HP |
| Torque | 650 Nm | 230 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 245 km/hour | 227 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 8.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5060 mm | 4850 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
