2008 Audi A6 vs. 2005 BMW 740
To start off, 2008 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 4,000 cc (8 cylinders), 2005 BMW 740 is equipped with a bigger engine. In terms of performance, 2005 BMW 740 (317 HP @ 6300 RPM) has 62 more horse power than 2008 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2005 BMW 740 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 735 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 740 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 740. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 740 (391 Nm @ 3500 RPM) has 61 more torque (in Nm) than 2008 Audi A6. (330 Nm @ 3250 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2005 BMW 740 | |
| Make | Audi | BMW |
| Model | A6 | 740 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 317 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 391 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 84.1 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1895 kg |
| Vehicle Length | 4920 mm | 5050 mm |
| Vehicle Width | 2020 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 3000 mm |
| Fuel Consumption Highway | 8.3 L/100km | 8.2 L/100km |
| Fuel Consumption City | 11.4 L/100km | 16.3 L/100km |
| Fuel Consumption Overall | 10 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 80 L | 88 L |
