2008 Audi A8 vs. 2008 Audi S8
To start off, both 2008 Audi A8 and 2008 Audi S8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 120 more horse power than 2008 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2008 Audi S8 should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 734 kg more than 2008 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 109 more torque (in Nm) than 2008 Audi A8. (431 Nm @ 3500 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2008 Audi S8 | |
| Make | Audi | Audi |
| Model | A8 | S8 |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5204 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 450 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 431 Nm | 540 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 249 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1176 kg |
| Vehicle Length | 5190 mm | 5070 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2950 mm |
| Fuel Consumption Overall | 11.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
