1999 Audi S8 vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 128 more horse power than 2008 Audi A8. (207 HP @ 5500 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 40 kg more than 2008 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Audi A8. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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. Let's talk about torque, 1999 Audi S8 (331 Nm @ 3400 RPM) has 51 more torque (in Nm) than 2008 Audi A8. (280 Nm @ 3000 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 1999 Audi S8 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | S8 | A8 |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2772 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 207 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 331 Nm | 280 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 82.4 mm |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 8 seconds |
| Drive Type | AWD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1690 kg |
| Vehicle Length | 5040 mm | 5070 mm |
| Vehicle Width | 1890 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
| Fuel Consumption Overall | 13.7 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
