2009 BMW Z4 vs. 2010 Audi Q7
To start off, 2010 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 3,000 cc (6 cylinders), 2010 Audi Q7 is equipped with a bigger engine. In terms of performance, 2010 Audi Q7 (225 HP @ 3750 RPM) has 10 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2010 Audi Q7 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Audi Q7 weights approximately 1138 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Audi Q7 (550 Nm @ 1750 RPM) has 300 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2750 RPM). This means 2010 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2010 Audi Q7 has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2010 Audi Q7 | |
| Make | BMW | Audi |
| Model | Z4 | Q7 |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 225 HP |
| Engine RPM | 6500 RPM | 3750 RPM |
| Torque | 250 Nm | 550 Nm |
| Torque RPM | 2750 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1362 kg | 2500 kg |
| Vehicle Length | 4100 mm | 5088 mm |
| Vehicle Width | 1310 mm | 1984 mm |
| Vehicle Height | 1790 mm | 1737 mm |
| Wheelbase Size | 2500 mm | 3002 mm |
| Fuel Tank Capacity | 55 L | 100 L |
