2004 Audi A6 vs. 2006 BMW 523
To start off, 2006 BMW 523 is newer by 2 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 4,179 cc (8 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (300 HP) has 125 more horse power than 2006 BMW 523. (175 HP). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2006 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 193 kg more than 2006 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 2006 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 (401 Nm) has 171 more torque (in Nm) than 2006 BMW 523. (230 Nm). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2004 Audi A6 | 2006 BMW 523 | |
| Make | Audi | BMW |
| Model | A6 | 523 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 300 HP | 175 HP |
| Torque | 401 Nm | 230 Nm |
| Engine Bore Size | 84 mm | 78.8 mm |
| Engine Stroke Size | 93 mm | 82 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1825 kg | 1632 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1940 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 11.8 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
