2005 Audi A6 vs. 2008 BMW 523
To start off, 2008 BMW 523 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,496 cc (6 cylinders), 2008 BMW 523 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 4000 RPM) has 3 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 230 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 2005 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, 2005 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, 2005 Audi A6 (370 Nm @ 1500 RPM) has 140 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523. 2008 BMW 523 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2008 BMW 523 | |
| Make | Audi | BMW |
| Model | A6 | 523 |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 175 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 370 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 78.8 mm |
| Engine Compression Ratio | 19.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 9.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1500 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
