2009 Audi Q7 vs. 2007 Porsche 911
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 3,597 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (325 HP @ 6800 RPM) has 45 more horse power than 2009 Audi Q7. (280 HP @ 6200 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 805 kg more than 2009 Audi Q7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Porsche 911. 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 9 more torque (in Nm) than 2009 Audi Q7. (361 Nm @ 2750 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7. 2009 Audi Q7 has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 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 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | Q7 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3597 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 280 HP | 325 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 361 Nm | 370 Nm |
| Torque RPM | 2750 RPM | 4250 RPM |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 930 kg | 1735 kg |
| Vehicle Length | 5090 mm | 4470 mm |
| Vehicle Width | 1990 mm | 1810 mm |
| Vehicle Height | 1740 mm | 1320 mm |
| Wheelbase Size | 3010 mm | 2360 mm |
| Fuel Consumption Overall | 6.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 100 L | 64 L |
