2004 Audi A6 vs. 2009 BMW 523
To start off, 2009 BMW 523 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,189 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (247 HP @ 6500 RPM) has 72 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 155 kg more than 2009 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. In wet, icy, snow, or gravel driving conditions, 2004 Audi A6 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, 2004 Audi A6 (320 Nm @ 3250 RPM) has 90 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2004 Audi A6 | 2009 BMW 523 | |
| Make | Audi | BMW |
| Model | A6 | 523 |
| Year Released | 2004 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 320 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.8 seconds | 8.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1680 kg | 1525 kg |
| Vehicle Width | 1860 mm | 1470 mm |
| Vehicle Height | 1470 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
