2003 BMW X5 vs. 2010 Audi S8
To start off, 2010 Audi S8 is newer by 7 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 5,204 cc (10 cylinders), 2010 Audi S8 is equipped with a bigger engine. In terms of performance, 2010 Audi S8 (450 HP @ 7000 RPM) has 235 more horse power than 2003 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2010 Audi S8 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 1005 kg more than 2010 Audi S8.
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 S8 (540 Nm @ 3500 RPM) has 40 more torque (in Nm) than 2003 BMW X5. (500 Nm @ 2000 RPM). This means 2010 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X5.
Compare all specifications:
| 2003 BMW X5 | 2010 Audi S8 | |
| Make | BMW | Audi |
| Model | X5 | S8 |
| Year Released | 2003 | 2010 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 450 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 500 Nm | 540 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 18.0:1 | 12.5:1 |
| Acceleration 0-100mph | 8.8 seconds | 5.1 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2180 kg | 1175 kg |
| Vehicle Length | 4670 mm | 5070 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1720 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2950 mm |
| Fuel Consumption | 8 L/100km | 12.4 L/100km |
| Fuel Consumption City | 12 L/100km | 18.2 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 93 L | 90 L |
