2007 BMW Z4 vs. 2007 BMW X5
To start off, both 2007 BMW Z4 and 2007 BMW X5 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,397 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 19 more horse power than 2007 BMW X5. (316 HP @ 6100 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 885 kg more than 2007 BMW Z4.
Because 2007 BMW X5 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, 2007 BMW X5 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 BMW X5 (440 Nm @ 3700 RPM) has 125 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2007 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 316 HP |
| Engine RPM | 7900 RPM | 6100 RPM |
| Torque | 315 Nm | 440 Nm |
| Torque RPM | 2750 RPM | 3700 RPM |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 6.2 seconds | 7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1310 kg | 2195 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1310 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
| Fuel Consumption Overall | 9.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 93 L |
