1999 BMW X5 vs. 2010 Audi RS6
To start off, 2010 Audi RS6 is newer by 11 year(s). Which means there will be less support and parts availability for 1999 BMW X5. In addition, the cost of maintenance, including insurance, on 1999 BMW X5 would be higher. At 4,991 cc (10 cylinders), 2010 Audi RS6 is equipped with a bigger engine. In terms of performance, 2010 Audi RS6 (572 HP @ 6250 RPM) has 290 more horse power than 1999 BMW X5. (282 HP @ 5400 RPM) In normal driving conditions, 2010 Audi RS6 should accelerate faster than 1999 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 156 kg more than 2010 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, 2010 Audi RS6 (650 Nm @ 1500 RPM) has 211 more torque (in Nm) than 1999 BMW X5. (439 Nm @ 3600 RPM). This means 2010 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW X5.
Compare all specifications:
| 1999 BMW X5 | 2010 Audi RS6 | |
| Make | BMW | Audi |
| Model | X5 | RS6 |
| Year Released | 1999 | 2010 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4991 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 572 HP |
| Engine RPM | 5400 RPM | 6250 RPM |
| Torque | 439 Nm | 650 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Bore Size | 92 mm | 84.5 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 207 km/hour | 280 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 4.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2184 kg | 2028 kg |
| Vehicle Length | 4670 mm | 4930 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1710 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2850 mm |
| Fuel Consumption Overall | 13.9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 93 L | 80 L |
