2005 Audi A4 vs. 1999 Audi S8
To start off, 2005 Audi A4 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 167 more horse power than 2005 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 1999 Audi S8 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 235 kg more than 2005 Audi A4. 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 2005 Audi A4. 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 101 more torque (in Nm) than 2005 Audi A4. (230 Nm @ 3200 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1999 Audi S8 | |
| Make | Audi | Audi |
| Model | A4 | S8 |
| Year Released | 2005 | 1999 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 335 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 230 Nm | 331 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 77.4 mm | 93 mm |
| Top Speed | 223 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.4 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1730 kg |
| Vehicle Length | 4550 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 9.6 L/100km | 13.7 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
