2009 Audi Q7 vs. 2007 BMW Z4
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 Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 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 107 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1130 kg more than 2007 BMW Z4. 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 2007 BMW Z4. 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 510 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
2009 Audi Q7 | 2007 BMW Z4 | |
Make | Audi | BMW |
Model | Q7 | Z4 |
Year Released | 2009 | 2007 |
Body Type | SUV | Convertible |
Engine Position | Front | Front |
Engine Size | 4132 cc | 2494 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 322 HP | 215 HP |
Engine RPM | 3750 RPM | 6500 RPM |
Torque | 760 Nm | 250 Nm |
Torque RPM | 1800 RPM | 2750 RPM |
Engine Bore Size | 83 mm | 82 mm |
Engine Stroke Size | 95.5 mm | 78.8 mm |
Engine Compression Ratio | 16.5:1 | 10.5:1 |
Fuel Type | Diesel | Gasoline |
Top Speed | 236 km/hour | 227 km/hour |
Acceleration 0-100mph | 6.4 seconds | 7.5 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 2420 kg | 1290 kg |
Vehicle Length | 5090 mm | 4100 mm |
Vehicle Width | 1990 mm | 1790 mm |
Vehicle Height | 1780 mm | 1310 mm |
Wheelbase Size | 3010 mm | 2500 mm |
Fuel Consumption Overall | 11.1 L/100km | 9.5 L/100km |
Fuel Tank Capacity | 100 L | 55 L |