1999 Audi S8 vs. 2005 Audi A6
To start off, 2005 Audi A6 is newer by 6 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 2005 Audi A6. (252 HP @ 6500 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 50 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, both vehicles can yield 331 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2005 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. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | S8 | A6 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 252 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 331 Nm | 331 Nm |
| Torque RPM | 3400 RPM | 3250 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 7.1 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1680 kg |
| Vehicle Length | 5040 mm | 4920 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2770 mm |
| Fuel Consumption Overall | 13.7 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
