2005 Audi RS4 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi RS4. In addition, the cost of maintenance, including insurance, on 2005 Audi RS4 would be higher. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 25 more horse power than 2008 BMW X5. (351 HP @ 6300 RPM). In normal driving conditions, 2005 Audi RS4 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 615 kg more than 2005 Audi RS4.
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 BMW X5 (475 Nm @ 3400 RPM) has 26 more torque (in Nm) than 2005 Audi RS4. (449 Nm @ 2500 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi RS4. 2008 BMW X5 has automatic transmission and 2005 Audi RS4 has manual transmission. 2005 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi RS4 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | RS4 | X5 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 376 HP | 351 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 449 Nm | 475 Nm |
| Torque RPM | 2500 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 246 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 2200 kg |
| Vehicle Length | 4600 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1940 mm |
| Vehicle Height | 1420 mm | 1770 mm |
| Wheelbase Size | 2610 mm | 2940 mm |
| Fuel Consumption | 10.1 L/100km | 12.4 L/100km |
| Fuel Consumption City | 19.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.7 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
