2006 BMW X5 vs. 2006 BMW Z4
To start off, both 2006 BMW X5 and 2006 BMW Z4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (228 HP @ 5900 RPM) has 46 more horse power than 2006 BMW X5. (182 HP @ 2000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 265 kg more than 2006 BMW Z4.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X5 (410 Nm @ 2000 RPM) has 109 more torque (in Nm) than 2006 BMW Z4. (301 Nm @ 3500 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW X5 | 2006 BMW Z4 | |
| Make | BMW | BMW |
| Model | X5 | Z4 |
| Year Released | 2006 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 182 HP | 228 HP |
| Engine RPM | 2000 RPM | 5900 RPM |
| Torque | 410 Nm | 301 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 88 mm | 89.6 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 200 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1365 kg |
| Vehicle Length | 4670 mm | 4100 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1720 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
| Fuel Consumption Overall | 8.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 93 L | 55 L |
