2009 Audi Q7 vs. 2006 Audi S4
To start off, 2009 Audi Q7 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 17 more horse power than 2009 Audi Q7. (322 HP @ 3750 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1145 kg more than 2006 Audi S4.
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 @ 2500 RPM) has 349 more torque (in Nm) than 2006 Audi S4. (411 Nm @ 3500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2009 Audi Q7 | 2006 Audi S4 | |
| Make | Audi | Audi |
| Model | Q7 | S4 |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 322 HP | 339 HP |
| Engine RPM | 3750 RPM | 7000 RPM |
| Torque | 760 Nm | 411 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2420 kg | 1275 kg |
| Vehicle Length | 5090 mm | 4580 mm |
| Vehicle Width | 2090 mm | 1790 mm |
| Vehicle Height | 1780 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption Overall | 11.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
