2002 BMW Z4 vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (228 HP @ 5900 RPM) has 38 more horse power than 2002 BMW Z4. (190 HP @ 6000 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 685 kg more than 2002 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2002 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, 2007 BMW X5 (300 Nm @ 3500 RPM) has 55 more torque (in Nm) than 2002 BMW Z4. (245 Nm @ 3500 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2002 BMW Z4 | 2007 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2002 | 2007 |
| 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 |
| Horse Power | 190 HP | 228 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 245 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Top Speed | 235 km/hour | 205 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 9.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2080 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1880 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
| Fuel Consumption Overall | 8.9 L/100km | 14.2 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
