2005 Audi S4 vs. 1999 Audi A8
To start off, 2005 Audi S4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi A8. In addition, the cost of maintenance, including insurance, on 1999 Audi A8 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 150 more horse power than 1999 Audi A8. (190 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1999 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 147 kg more than 1999 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 130 more torque (in Nm) than 1999 Audi A8. (280 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A8.
Compare all specifications:
| 2005 Audi S4 | 1999 Audi A8 | |
| Make | Audi | Audi |
| Model | S4 | A8 |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2771 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 340 HP | 190 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 410 Nm | 280 Nm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1635 kg |
| Vehicle Length | 4550 mm | 5040 mm |
| Vehicle Width | 1770 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
