2007 Audi S8 vs. 2005 Audi A8
To start off, 2007 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (450 HP @ 7000 RPM) has 115 more horse power than 2005 Audi A8. (335 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 Audi A8.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S8 (541 Nm) has 110 more torque (in Nm) than 2005 Audi A8. (431 Nm). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2007 Audi S8 | 2005 Audi A8 | |
| Make | Audi | Audi |
| Model | S8 | A8 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4163 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 450 HP | 335 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 541 Nm | 431 Nm |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Drive Type | AWD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5070 mm | 5190 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2950 mm | 3080 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
