1999 Audi RS4 vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 7 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 3,589 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (325 HP @ 6800 RPM) has 75 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche 911 weights approximately 115 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 2006 Porsche 911. 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 | 2006 Porsche 911 | |
| Make | Audi | Porsche |
| Model | RS4 | 911 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2671 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 250 HP | 325 HP |
| Engine RPM | 6100 RPM | 6800 RPM |
| Engine Bore Size | 81.1 mm | 96.1 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Acceleration 0-100mph | 4.9 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1735 kg |
| Vehicle Length | 4530 mm | 4470 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1320 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
| Fuel Tank Capacity | 62 L | 64 L |
