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. Both 2009 Audi Q7 and 2006 Audi S4 are equipped with a 4,163 cc engine. In terms of performance, 2009 Audi Q7 (350 HP @ 6800 RPM) has 10 more horse power than 2006 Audi S4. (340 HP @ 7000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster 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 (441 Nm @ 3500 RPM) has 31 more torque (in Nm) than 2006 Audi S4. (410 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. 2009 Audi Q7 has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2006 Audi S4 | |
| Make | Audi | Audi |
| Model | Q7 | S4 |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 340 HP |
| Engine RPM | 6800 RPM | 7000 RPM |
| Torque | 441 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 5090 mm | 4580 mm |
| Vehicle Width | 1990 mm | 1790 mm |
| Vehicle Height | 1740 mm | 1450 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption City | 18.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
