2005 Audi RS6 vs. 2007 BMW 750
To start off, 2007 BMW 750 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 84 more horse power than 2007 BMW 750. (360 HP @ 6300 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2007 BMW 750. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 10 kg more than 2005 Audi RS6.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 RS6 (560 Nm @ 1950 RPM) has 72 more torque (in Nm) than 2007 BMW 750. (488 Nm @ 3400 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 750.
Compare all specifications:
| 2005 Audi RS6 | 2007 BMW 750 | |
| Make | Audi | BMW |
| Model | RS6 | 750 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 4797 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 360 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 560 Nm | 488 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1825 kg | 1835 kg |
| Vehicle Length | 4800 mm | 5050 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3000 mm |
| Fuel Consumption Overall | 14.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 82 L | 88 L |
