2007 Audi A6 vs. 2008 BMW 523
To start off, 2008 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (255 HP @ 6500 RPM) has 80 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 380 kg more than 2008 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 523. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (330 Nm @ 3250 RPM) has 100 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523.
Compare all specifications:
| 2007 Audi A6 | 2008 BMW 523 | |
| Make | Audi | BMW |
| Model | A6 | 523 |
| Year Released | 2007 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1500 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 2020 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 10.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
