2003 BMW Z4 vs. 2011 BMW X3
To start off, 2011 BMW X3 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW X3 (311 HP @ 3300 RPM) has 84 more horse power than 2003 BMW Z4. (227 HP @ 6000 RPM) In normal driving conditions, 2011 BMW X3 should accelerate faster than 2003 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X3 weights approximately 635 kg more than 2003 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 2003 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 BMW X3 (630 Nm @ 2000 RPM) has 339 more torque (in Nm) than 2003 BMW Z4. (291 Nm @ 3500 RPM). This means 2011 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW Z4.
Compare all specifications:
2003 BMW Z4 | 2011 BMW X3 | |
Make | BMW | BMW |
Model | Z4 | X3 |
Year Released | 2003 | 2011 |
Body Type | Convertible | SUV |
Engine Position | Front | Front |
Engine Size | 2999 cc | 2993 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 227 HP | 311 HP |
Engine RPM | 6000 RPM | 3300 RPM |
Torque | 291 Nm | 630 Nm |
Torque RPM | 3500 RPM | 2000 RPM |
Engine Bore Size | 84 mm | 90 mm |
Engine Stroke Size | 90 mm | 84 mm |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | AWD |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1290 kg | 1925 kg |
Vehicle Length | 4100 mm | 4648 mm |
Vehicle Width | 1790 mm | 1881 mm |
Vehicle Height | 1310 mm | 1675 mm |
Wheelbase Size | 2500 mm | 2810 mm |
Fuel Tank Capacity | 55 L | 67 L |