2003 Audi RS6 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Audi RS6. In addition, the cost of maintenance, including insurance, on 2003 Audi RS6 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 56 more horse power than 2003 Audi RS6. (444 HP @ 6300 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2003 Audi RS6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 560 kg more than 2008 BMW M6.
Because 2003 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW M6. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS6 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 40 more torque (in Nm) than 2008 BMW M6. (520 Nm @ 6100 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW M6.
Compare all specifications:
| 2003 Audi RS6 | 2008 BMW M6 | |
| Make | Audi | BMW |
| Model | RS6 | M6 |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 560 Nm | 520 Nm |
| Torque RPM | 1950 RPM | 6100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1280 kg |
| Vehicle Length | 4800 mm | 4880 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2760 mm | 2790 mm |
| Fuel Tank Capacity | 70 L | 70 L |
