2009 Audi Q7 vs. 2007 Audi A4
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (350 HP @ 6800 RPM) has 98 more horse power than 2007 Audi A4. (252 HP @ 6500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Audi A4.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 will offer significantly more control. 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 111 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2009 Audi Q7 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | Q7 | A4 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 350 HP | 252 HP |
| Engine RPM | 6800 RPM | 6500 RPM |
| Torque | 441 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Compression Ratio | 12.5:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 5090 mm | 4590 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1740 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2650 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 100 L | 70 L |
