1999 Porsche 911 vs. 2011 Audi Q7
To start off, 2011 Audi Q7 is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 5,394 cc (12 cylinders), 2011 Audi Q7 is equipped with a bigger engine. In terms of performance, 2011 Audi Q7 (493 HP @ 3750 RPM) has 79 more horse power than 1999 Porsche 911. (414 HP @ 6200 RPM) In normal driving conditions, 2011 Audi Q7 should accelerate faster than 1999 Porsche 911.
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, 2011 Audi Q7 (1,000 Nm @ 1750 RPM) has 440 more torque (in Nm) than 1999 Porsche 911. (560 Nm @ 2700 RPM). This means 2011 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche 911.
Compare all specifications:
| 1999 Porsche 911 | 2011 Audi Q7 | |
| Make | Porsche | Audi |
| Model | 911 | Q7 |
| Year Released | 1999 | 2011 |
| Body Type | Coupe | SUV |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 5394 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 414 HP | 493 HP |
| Engine RPM | 6200 RPM | 3750 RPM |
| Torque | 560 Nm | 1000 Nm |
| Torque RPM | 2700 RPM | 1750 RPM |
| Top Speed | 298 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.5 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4440 mm | 5088 mm |
| Vehicle Width | 1840 mm | 1984 mm |
| Vehicle Height | 1300 mm | 1737 mm |
| Wheelbase Size | 2360 mm | 3002 mm |
| Fuel Tank Capacity | 64 L | 100 L |
