2008 BMW Z4 vs. 2007 BMW X3
To start off, 2008 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 2,996 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (261 HP @ 6600 RPM) has 60 more horse power than 2007 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 530 kg more than 2008 BMW Z4.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X3 (410 Nm @ 1500 RPM) has 94 more torque (in Nm) than 2008 BMW Z4. (316 Nm @ 2750 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | Z4 | X3 |
| Year Released | 2008 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 201 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 316 Nm | 410 Nm |
| Torque RPM | 2750 RPM | 1500 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 7.9 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1925 kg |
| Vehicle Length | 4100 mm | 4570 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1270 mm | 1680 mm |
| Wheelbase Size | 2500 mm | 2800 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 67 L |
