2008 Audi A6 vs. 1999 Audi S8
To start off, 2008 Audi A6 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 83 more horse power than 2008 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 1999 Audi S8 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 30 kg more than 1999 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, 1999 Audi S8 (331 Nm @ 3400 RPM) has 1 more torque (in Nm) than 2008 Audi A6. (330 Nm @ 3250 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2008 Audi A6 has automatic transmission and 1999 Audi S8 has manual transmission. 1999 Audi S8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 1999 Audi S8 | |
| Make | Audi | Audi |
| Model | A6 | S8 |
| Year Released | 2008 | 1999 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 252 HP | 335 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 330 Nm | 331 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Top Speed | 242 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 5.4 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1730 kg |
| Vehicle Length | 4940 mm | 5040 mm |
| Vehicle Width | 1870 mm | 1890 mm |
| Vehicle Height | 1530 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2890 mm |
| Fuel Consumption Overall | 11 L/100km | 13.7 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
