1999 Audi RS4 vs. 2005 BMW 630
To start off, 2005 BMW 630 is newer by 6 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 2,999 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 4 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM) In normal driving conditions, 2005 BMW 630 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 630 weights approximately 144 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.
Because 1999 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 630. In wet, icy, snow, or gravel driving conditions, 1999 Audi RS4 will offer significantly more control. 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 | 2005 BMW 630 | |
| Make | Audi | BMW |
| Model | RS4 | 630 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 254 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 |
| Acceleration 0-100mph | 4.9 seconds | 6.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1764 kg |
| Vehicle Length | 4530 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2610 mm | 2670 mm |
| Fuel Tank Capacity | 62 L | 70 L |
