2003 Audi RS6 vs. 1999 BMW X5
To start off, 2003 Audi RS6 is newer by 4 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 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 Audi RS6 (444 HP @ 6300 RPM) has 162 more horse power than 1999 BMW X5. (282 HP @ 5400 RPM). In normal driving conditions, 2003 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 274 kg more than 2003 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 121 more torque (in Nm) than 1999 BMW X5. (439 Nm @ 3600 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW X5. 1999 BMW X5 has automatic transmission and 2003 Audi RS6 has manual transmission. 2003 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi RS6 | 1999 BMW X5 | |
| Make | Audi | BMW |
| Model | RS6 | X5 |
| Year Released | 2003 | 1999 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 282 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 560 Nm | 439 Nm |
| Torque RPM | 1950 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Top Speed | 250 km/hour | 207 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1910 kg | 2184 kg |
| Vehicle Length | 4860 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1710 mm |
| Wheelbase Size | 2760 mm | 2730 mm |
| Fuel Consumption | 10.4 L/100km | 11.1 L/100km |
| Fuel Consumption City | 21.8 L/100km | 18.8 L/100km |
| Fuel Consumption Overall | 14.6 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 82 L | 93 L |
