2009 Audi Q7 vs. 2009 Audi S6
To start off, both 2009 Audi Q7 and 2009 Audi S6 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2009 Audi S6 is equipped with a bigger engine. In terms of performance, 2009 Audi S6 (335 HP @ 7000 RPM) has 13 more horse power than 2009 Audi Q7. (322 HP @ 3750 RPM) In normal driving conditions, 2009 Audi S6 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 605 kg more than 2009 Audi S6.
Both vehicles are four wheel drive (4WD) - 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, 2009 Audi Q7 (760 Nm @ 1800 RPM) has 340 more torque (in Nm) than 2009 Audi S6. (420 Nm @ 3400 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S6.
Compare all specifications:
| 2009 Audi Q7 | 2009 Audi S6 | |
| Make | Audi | Audi |
| Model | Q7 | S6 |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 322 HP | 335 HP |
| Engine RPM | 3750 RPM | 7000 RPM |
| Torque | 760 Nm | 420 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 84.6 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 16.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 6.4 seconds | 6.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2420 kg | 1815 kg |
| Vehicle Length | 5090 mm | 4840 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2770 mm |
| Fuel Consumption Overall | 11.1 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 100 L | 82 L |
