2004 Audi RS6 vs. 1998 Audi S8
To start off, 2004 Audi RS6 is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Audi S8. In addition, the cost of maintenance, including insurance, on 1998 Audi S8 would be higher. At 4,172 cc (8 cylinders), 1998 Audi S8 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (445 HP) has 110 more horse power than 1998 Audi S8. (335 HP). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 1998 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 115 kg more than 1998 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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. Let's talk about torque, 2004 Audi RS6 (560 Nm) has 3 more torque (in Nm) than 1998 Audi S8. (557 Nm). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi S8.
Compare all specifications:
| 2004 Audi RS6 | 1998 Audi S8 | |
| Make | Audi | Audi |
| Model | RS6 | S8 |
| Year Released | 2004 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 445 HP | 335 HP |
| Torque | 560 Nm | 557 Nm |
| Engine Bore Size | 84.5 mm | 84.6 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1725 kg |
| Vehicle Length | 4800 mm | 5040 mm |
| Vehicle Width | 1820 mm | 1890 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
