2004 Audi A8 vs. 2007 Audi S8
To start off, 2007 Audi S8 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 5,998 cc, 2004 Audi A8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 245 kg more than 2007 Audi S8.
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 A8 (560 Nm @ 4000 RPM) has 130 more torque (in Nm) than 2007 Audi S8. (430 Nm @ 3400 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S8.
Compare all specifications:
| 2004 Audi A8 | 2007 Audi S8 | |
| Make | Audi | Audi |
| Model | A8 | S8 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 4171 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 450 HP | 0 HP |
| Torque | 560 Nm | 430 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 1750 kg |
| Wheelbase Size | 2950 mm | 2290 mm |
