2003 BMW X5 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 4 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 2,979 cc (6 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (230 HP @ 4000 RPM) has 15 more horse power than 2003 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A6 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 350 kg more than 2007 Audi A6.
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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2007 Audi A6. (450 Nm @ 1400 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2007 Audi A6 has automatic transmission and 2003 BMW X5 has manual transmission. 2003 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW X5 | 2007 Audi A6 | |
| Make | BMW | Audi |
| Model | X5 | A6 |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 230 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 500 Nm | 450 Nm |
| Torque RPM | 2000 RPM | 1400 RPM |
| Engine Bore Size | 84.1 mm | 83 mm |
| Engine Stroke Size | 90 mm | 91.4 mm |
| Engine Compression Ratio | 18.0:1 | 17.0:1 |
| Acceleration 0-100mph | 8.3 seconds | 6.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2170 kg | 1820 kg |
| Vehicle Length | 4670 mm | 4920 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1720 mm | 1470 mm |
| Wheelbase Size | 2940 mm | 2850 mm |
| Fuel Consumption Highway | 7 L/100km | 6.5 L/100km |
| Fuel Consumption City | 11.4 L/100km | 12 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 93 L | 80 L |
