2007 Audi Q7 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi Q7. In addition, the cost of maintenance, including insurance, on 2007 Audi Q7 would be higher. At 4,198 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (344 HP @ 6800 RPM) has 126 more horse power than 2009 Audi A4. (218 HP @ 5900 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 645 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi Q7 (440 Nm @ 3500 RPM) has 140 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 2200 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2007 Audi Q7 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | Q7 | A4 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4198 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 344 HP | 218 HP |
| Engine RPM | 6800 RPM | 5900 RPM |
| Torque | 440 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 244 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2240 kg | 1595 kg |
| Vehicle Length | 5090 mm | 4610 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1740 mm | 1400 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9 L/100km |
| Fuel Tank Capacity | 100 L | 63 L |
