1999 Audi RS4 vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi RS4. In addition, the cost of maintenance, including insurance, on 1999 Audi RS4 would be higher. At 2,996 cc (6 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, 2009 BMW X3 (260 HP @ 6600 RPM) has 10 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM) In normal driving conditions, 2009 BMW X3 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 110 kg more than 1999 Audi RS4. 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.
Compare all specifications:
| 1999 Audi RS4 | 2009 BMW X3 | |
| Make | Audi | BMW |
| Model | RS4 | X3 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 260 HP |
| Engine RPM | 6100 RPM | 6600 RPM |
| Engine Bore Size | 81.1 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1620 kg | 1730 kg |
| Vehicle Length | 4530 mm | 4580 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1680 mm |
| Wheelbase Size | 2610 mm | 2800 mm |
| Fuel Tank Capacity | 62 L | 67 L |
