2005 BMW X3 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 2,983 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (244 HP @ 5000 RPM) has 16 more horse power than 2005 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 345 kg more than 2010 BMW Z4.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2010 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 BMW X3 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 Z4 (350 Nm @ 1500 RPM) has 50 more torque (in Nm) than 2005 BMW X3. (300 Nm @ 3500 RPM). This means 2010 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2010 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2005 | 2010 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 244 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 205 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 5.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1490 kg |
| Vehicle Length | 4570 mm | 4239 mm |
| Vehicle Width | 1860 mm | 1791 mm |
| Vehicle Height | 1680 mm | 1290 mm |
| Wheelbase Size | 2730 mm | 2497 mm |
| Fuel Consumption Highway | 9.4 L/100km | 5.5 L/100km |
| Fuel Consumption City | 13.8 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
