2003 BMW Z4 vs. 2012 Audi Q7
To start off, 2012 Audi Q7 is newer by 9 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 3,000 cc (6 cylinders), 2012 Audi Q7 is equipped with a bigger engine. In terms of performance, 2012 Audi Q7 (272 HP @ 4750 RPM) has 45 more horse power than 2003 BMW Z4. (227 HP @ 6000 RPM) In normal driving conditions, 2012 Audi Q7 should accelerate faster than 2003 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2012 Audi Q7 weights approximately 1065 kg more than 2003 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2003 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Audi Q7 (400 Nm @ 2250 RPM) has 109 more torque (in Nm) than 2003 BMW Z4. (291 Nm @ 3500 RPM). This means 2012 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW Z4. 2012 Audi Q7 has automatic transmission and 2003 BMW Z4 has manual transmission. 2003 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW Z4 | 2012 Audi Q7 | |
| Make | BMW | Audi |
| Model | Z4 | Q7 |
| Year Released | 2003 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 227 HP | 272 HP |
| Engine RPM | 6000 RPM | 4750 RPM |
| Torque | 291 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 2355 kg |
| Vehicle Length | 4100 mm | 5088 mm |
| Vehicle Width | 1790 mm | 1984 mm |
| Vehicle Height | 1310 mm | 1737 mm |
| Wheelbase Size | 2500 mm | 3002 mm |
| Fuel Tank Capacity | 55 L | 100 L |
