1999 Audi RS4 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 9 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), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (261 HP @ 6600 RPM) has 11 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi RS4 weights approximately 225 kg more than 2008 BMW Z4.
Because 1999 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. 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 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | RS4 | Z4 |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | Coupe |
| 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 | 261 HP |
| Engine RPM | 6100 RPM | 6600 RPM |
| Engine Bore Size | 81.1 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Acceleration 0-100mph | 4.9 seconds | 5.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1395 kg |
| Vehicle Length | 4530 mm | 4100 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1270 mm |
| Wheelbase Size | 2610 mm | 2500 mm |
| Fuel Tank Capacity | 62 L | 55 L |
