2007 Audi Q7 vs. 2006 BMW Z4
To start off, 2007 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (346 HP @ 6800 RPM) has 157 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 960 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 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 Audi Q7 (440 Nm @ 3500 RPM) has 195 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2007 Audi Q7 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi Q7 | 2006 BMW Z4 | |
| Make | Audi | BMW |
| Model | Q7 | Z4 |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 346 HP | 189 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 440 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2295 kg | 1335 kg |
| Vehicle Width | 1990 mm | 1790 mm |
| Vehicle Height | 1740 mm | 1310 mm |
| Wheelbase Size | 3010 mm | 2500 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9 L/100km |
| Fuel Tank Capacity | 100 L | 55 L |
