2006 BMW Z4 vs. 2010 BMW X5
To start off, 2010 BMW X5 is newer by 4 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,993 cc (6 cylinders), 2010 BMW X5 is equipped with a bigger engine. In terms of performance, 2010 BMW X5 (304 HP @ 440 RPM) has 76 more horse power than 2006 BMW Z4. (228 HP @ 5900 RPM) In normal driving conditions, 2010 BMW X5 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW X5 weights approximately 820 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 BMW X5 (600 Nm @ 1500 RPM) has 299 more torque (in Nm) than 2006 BMW Z4. (301 Nm @ 3500 RPM). This means 2010 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2010 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2006 | 2010 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 304 HP |
| Engine RPM | 5900 RPM | 440 RPM |
| Torque | 301 Nm | 600 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 89.6 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 237 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.6 seconds |
| Drive Type | Rear | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1365 kg | 2185 kg |
| Vehicle Length | 4100 mm | 4857 mm |
| Vehicle Width | 1790 mm | 1933 mm |
| Vehicle Height | 1310 mm | 1776 mm |
| Wheelbase Size | 2500 mm | 2934 mm |
| Fuel Consumption Highway | 7.8 L/100km | 6.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 8.8 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
