2002 BMW Z4 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 6 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 4,398 cc, 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (328 HP @ 6100 RPM) has 138 more horse power than 2002 BMW Z4. (190 HP @ 6000 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 796 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (440 Nm @ 3700 RPM) has 195 more torque (in Nm) than 2002 BMW Z4. (245 Nm @ 3500 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4. 2008 BMW X5 has automatic transmission and 2002 BMW Z4 has manual transmission. 2002 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 BMW Z4 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | Z4 | X5 |
| Year Released | 2002 | 2008 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4398 cc |
| Horse Power | 190 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 245 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 235 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 7.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2191 kg |
| Vehicle Length | 4100 mm | 4870 mm |
| Vehicle Height | 1310 mm | 1480 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
| Fuel Consumption Overall | 8.9 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
