2007 BMW 523 vs. 2011 Audi Q7
To start off, 2011 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 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 318 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2011 Audi Q7 should accelerate faster than 2007 BMW 523.
Because 2011 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Audi Q7 (1,000 Nm @ 1750 RPM) has 770 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2011 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2011 Audi Q7 | |
| Make | BMW | Audi |
| Model | 523 | Q7 |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5394 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 493 HP |
| Engine RPM | 5800 RPM | 3750 RPM |
| Torque | 230 Nm | 1000 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.5 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4850 mm | 5088 mm |
| Vehicle Width | 1850 mm | 1984 mm |
| Vehicle Height | 1470 mm | 1737 mm |
| Wheelbase Size | 2890 mm | 3002 mm |
| Fuel Tank Capacity | 70 L | 100 L |
