2009 Audi S8 vs. 2010 Audi Q7
To start off, 2010 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi S8. In addition, the cost of maintenance, including insurance, on 2009 Audi S8 would be higher. At 5,394 cc (12 cylinders), 2010 Audi Q7 is equipped with a bigger engine. In terms of performance, 2010 Audi Q7 (493 HP @ 3750 RPM) has 43 more horse power than 2009 Audi S8. (450 HP @ 7000 RPM) In normal driving conditions, 2010 Audi Q7 should accelerate faster than 2009 Audi S8.
Both vehicles are all wheel drive (AWD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2010 Audi Q7 (1,000 Nm @ 1750 RPM) has 460 more torque (in Nm) than 2009 Audi S8. (540 Nm @ 3500 RPM). This means 2010 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S8.
Compare all specifications:
| 2009 Audi S8 | 2010 Audi Q7 | |
| Make | Audi | Audi |
| Model | S8 | Q7 |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 5394 cc |
| Engine Cylinders | 10 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 493 HP |
| Engine RPM | 7000 RPM | 3750 RPM |
| Torque | 540 Nm | 1000 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.1 seconds | 5.5 seconds |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5070 mm | 5088 mm |
| Vehicle Width | 1900 mm | 1984 mm |
| Vehicle Height | 1430 mm | 1737 mm |
| Wheelbase Size | 2950 mm | 3002 mm |
| Fuel Tank Capacity | 90 L | 100 L |
