2008 BMW X5 vs. 2008 BMW Z4
To start off, both 2008 BMW X5 and 2008 BMW Z4 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,797 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (355 HP @ 6200 RPM) has 27 more horse power than 2008 BMW Z4. (328 HP @ 7900 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 890 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 (490 Nm @ 3600 RPM) has 175 more torque (in Nm) than 2008 BMW Z4. (315 Nm @ 2750 RPM). 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 X5 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | X5 | Z4 |
| Year Released | 2008 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 355 HP | 328 HP |
| Engine RPM | 6200 RPM | 7900 RPM |
| Torque | 490 Nm | 315 Nm |
| Torque RPM | 3600 RPM | 2750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 246 km/hour | 239 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 6.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1310 kg |
| Vehicle Length | 4670 mm | 4100 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1710 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
| Fuel Consumption Overall | 13.5 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 93 L | 55 L |
