2008 BMW Z4 vs. 2008 BMW X5
To start off, both 2008 BMW Z4 and 2008 BMW X5 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,979 cc (6 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (228 HP @ 5900 RPM) has 13 more horse power than 2008 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 780 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X5 (300 Nm) has 50 more torque (in Nm) than 2008 BMW Z4. (250 Nm). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2008 | 2008 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 228 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 250 Nm | 300 Nm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 7.5 seconds | 8.5 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 | 1290 kg | 2070 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1310 mm | 1720 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
| Fuel Consumption Overall | 9.5 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 55 L | 93 L |
