2008 Audi RS6 vs. 2007 BMW X5
To start off, 2008 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 216 more horse power than 2007 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 115 kg more than 2008 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, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 260 more torque (in Nm) than 2007 BMW X5. (300 Nm @ 3500 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2008 Audi RS6 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | RS6 | X5 |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 228 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 560 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 8.6 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1955 kg | 2070 kg |
| Vehicle Length | 4840 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption Overall | 14.8 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 82 L | 93 L |
