2009 BMW Z4 vs. 2009 BMW X5
To start off, both 2009 BMW Z4 and 2009 BMW X5 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 53 more horse power than 2009 BMW X5. (282 HP @ 4400 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2009 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 840 kg more than 2009 BMW Z4.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW X5 (580 Nm @ 1750 RPM) has 265 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2009 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2009 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 282 HP |
| Engine RPM | 7900 RPM | 4400 RPM |
| Torque | 315 Nm | 580 Nm |
| Torque RPM | 2750 RPM | 1750 RPM |
| Engine Compression Ratio | 12.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 244 km/hour | 238 km/hour |
| 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 | 2150 kg |
| Vehicle Length | 4100 mm | 4860 mm |
| Vehicle Width | 1790 mm | 1940 mm |
| Vehicle Height | 1310 mm | 1740 mm |
| Wheelbase Size | 2500 mm | 2940 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
