2007 BMW X5 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 110 more horse power than 2007 BMW X5. (228 HP @ 5900 RPM) In normal driving conditions, 2008 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 595 kg more than 2008 BMW Z4.
Because 2007 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, 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 64 more torque (in Nm) than 2007 BMW X5. (301 Nm @ 3500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2007 BMW X5 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | X5 | Z4 |
| Year Released | 2007 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 338 HP |
| Engine RPM | 5900 RPM | 7900 RPM |
| Torque | 301 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Bore Size | 84 mm | 91 mm |
| Engine Stroke Size | 89.6 mm | 87 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 210 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2080 kg | 1485 kg |
| Vehicle Length | 4670 mm | 4870 mm |
| Vehicle Height | 1880 mm | 1480 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
| Fuel Consumption Overall | 14.2 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
