2009 Audi Q7 vs. 2007 BMW 650
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 650. In addition, the cost of maintenance, including insurance, on 2007 BMW 650 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (362 HP @ 6300 RPM) has 86 more horse power than 2009 Audi Q7. (276 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 565 kg more than 2007 BMW 650.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 650. 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 BMW 650 (490 Nm @ 3400 RPM) has 130 more torque (in Nm) than 2009 Audi Q7. (360 Nm @ 2500 RPM). This means 2007 BMW 650 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 BMW 650 has manual transmission. 2007 BMW 650 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 BMW 650 | |
| Make | Audi | BMW |
| Model | Q7 | 650 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 362 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 360 Nm | 490 Nm |
| Torque RPM | 2500 RPM | 3400 RPM |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2205 kg | 1640 kg |
| Vehicle Length | 5090 mm | 4830 mm |
| Vehicle Width | 1990 mm | 1380 mm |
| Vehicle Height | 1740 mm | 1860 mm |
| Wheelbase Size | 3010 mm | 2790 mm |
| Fuel Tank Capacity | 100 L | 70 L |
