2003 Audi RS6 vs. 2013 BMW X6 M
To start off, 2013 BMW X6 M is newer by 10 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 4,395 cc (8 cylinders), 2013 BMW X6 M is equipped with a bigger engine. In terms of performance, 2013 BMW X6 M (547 HP @ 6000 RPM) has 103 more horse power than 2003 Audi RS6. (444 HP @ 6300 RPM) In normal driving conditions, 2013 BMW X6 M should accelerate faster than 2003 Audi RS6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X6 M weights approximately 505 kg more than 2003 Audi RS6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW X6 M (678 Nm @ 5650 RPM) has 118 more torque (in Nm) than 2003 Audi RS6. (560 Nm @ 1950 RPM). This means 2013 BMW X6 M will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi RS6. 2013 BMW X6 M has automatic transmission and 2003 Audi RS6 has manual transmission. 2003 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW X6 M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi RS6 | 2013 BMW X6 M | |
| Make | Audi | BMW |
| Model | RS6 | X6 M |
| Year Released | 2003 | 2013 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 547 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 560 Nm | 678 Nm |
| Torque RPM | 1950 RPM | 5650 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1910 kg | 2415 kg |
| Vehicle Length | 4860 mm | 4876 mm |
| Vehicle Width | 1860 mm | 2195 mm |
| Vehicle Height | 1460 mm | 1684 mm |
| Wheelbase Size | 2760 mm | 2933 mm |
| Fuel Consumption | 10.4 L/100km | 11.9 L/100km |
| Fuel Consumption City | 21.8 L/100km | 16.9 L/100km |
| Fuel Tank Capacity | 82 L | 85 L |
