1999 Audi S8 vs. 2004 Audi A6
To start off, 2004 Audi A6 is newer by 5 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 155 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 68 kg more than 2004 Audi A6. 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 2004 Audi A6. 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 96 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 1999 Audi S8 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | S8 | A6 |
| Year Released | 1999 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 180 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 331 Nm | 235 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 77.4 mm |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 9.5 seconds |
| Drive Type | AWD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1662 kg |
| Vehicle Length | 5040 mm | 4940 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Highway | 9.7 L/100km | 7.2 L/100km |
| Fuel Consumption City | 20.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.7 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
