2007 Audi A6 vs. 2003 BMW X5
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 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (338 HP @ 6100 RPM) has 42 more horse power than 2007 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 2003 BMW X5 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 445 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 Audi A6 | 2003 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 338 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 400 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2195 kg |
| Vehicle Length | 4840 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1720 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Consumption Overall | 13.2 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 82 L | 93 L |
