2009 Audi Q7 vs. 2005 Porsche 911
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,132 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 6 more horse power than 2005 Porsche 911. (316 HP @ 4250 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1075 kg more than 2005 Porsche 911. 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 2005 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, 2009 Audi Q7 (760 Nm @ 1800 RPM) has 390 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2009 Audi Q7 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | Q7 | 911 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4132 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 316 HP |
| Engine RPM | 3750 RPM | 4250 RPM |
| Torque | 760 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 4250 RPM |
| Engine Compression Ratio | 16.5:1 | 11.3:1 |
| Top Speed | 236 km/hour | 280 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2420 kg | 1345 kg |
| Vehicle Length | 5090 mm | 4440 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1780 mm | 1310 mm |
| Wheelbase Size | 3010 mm | 2360 mm |
| Fuel Consumption Overall | 11.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 100 L | 64 L |
