2007 BMW Z4 vs. 2003 BMW X3
To start off, 2007 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 137 more horse power than 2003 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 445 kg more than 2007 BMW Z4.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X3 (410 Nm @ 1500 RPM) has 45 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2003 BMW X3 has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW Z4 | 2003 BMW X3 | |
Make | BMW | BMW |
Model | Z4 | X3 |
Year Released | 2007 | 2003 |
Body Type | Convertible | SUV |
Engine Position | Front | Front |
Engine Size | 3246 cc | 2995 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 338 HP | 201 HP |
Engine RPM | 7900 RPM | 4000 RPM |
Torque | 365 Nm | 410 Nm |
Torque RPM | 4900 RPM | 1500 RPM |
Engine Compression Ratio | 11.5:1 | 17.0:1 |
Top Speed | 250 km/hour | 215 km/hour |
Acceleration 0-100mph | 5 seconds | 8.2 seconds |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1485 kg | 1930 kg |
Vehicle Length | 4120 mm | 4570 mm |
Vehicle Width | 1310 mm | 1860 mm |
Vehicle Height | 1790 mm | 1680 mm |
Wheelbase Size | 2500 mm | 2730 mm |
Fuel Consumption Overall | 12.1 L/100km | 9.1 L/100km |
Fuel Tank Capacity | 70 L | 67 L |