2009 Audi Q7 vs. 2008 BMW 523
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 523. In addition, the cost of maintenance, including insurance, on 2008 BMW 523 would be higher. At 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 319 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1115 kg more than 2008 BMW 523. 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 2008 BMW 523. 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 (1,000 Nm @ 1750 RPM) has 770 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523. 2009 Audi Q7 has automatic transmission and 2008 BMW 523 has manual transmission. 2008 BMW 523 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 | 2008 BMW 523 | |
Make | Audi | BMW |
Model | Q7 | 523 |
Year Released | 2009 | 2008 |
Engine Position | Front | Front |
Engine Size | 5934 cc | 2497 cc |
Engine Cylinders | 12 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 494 HP | 175 HP |
Engine RPM | 3750 RPM | 5800 RPM |
Torque | 1000 Nm | 230 Nm |
Torque RPM | 1750 RPM | 3500 RPM |
Engine Bore Size | 83 mm | 82.1 mm |
Engine Stroke Size | 91.4 mm | 78.8 mm |
Engine Compression Ratio | 16.0:1 | 11.0:1 |
Fuel Type | Diesel | Gasoline |
Acceleration 0-100mph | 5.5 seconds | 8.5 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Doors | 5 doors | 5 doors |
Vehicle Weight | 2605 kg | 1490 kg |
Vehicle Length | 5070 mm | 4870 mm |
Vehicle Height | 1700 mm | 1420 mm |
Wheelbase Size | 3010 mm | 2890 mm |
Fuel Consumption Overall | 11.3 L/100km | 8.5 L/100km |
Fuel Tank Capacity | 100 L | 70 L |