2007 Audi S4 vs. 1999 Audi RS4
To start off, 2007 Audi S4 is newer by 8 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 90 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi RS4 weights approximately 345 kg more than 2007 Audi S4.
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:
| 2007 Audi S4 | 1999 Audi RS4 | |
| Make | Audi | Audi |
| Model | S4 | RS4 |
| Year Released | 2007 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 250 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Engine Bore Size | 84.5 mm | 81.1 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Acceleration 0-100mph | 5.9 seconds | 4.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1620 kg |
| Vehicle Length | 4580 mm | 4530 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 62 L |
