2007 BMW X3 vs. 2005 BMW X5
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 4,392 cc (8 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (321 HP @ 6100 RPM) has 106 more horse power than 2007 BMW X3. (215 HP @ 4000 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 470 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2007 BMW X3 (480 Nm @ 1750 RPM) has 30 more torque (in Nm) than 2005 BMW X5. (450 Nm @ 3700 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2007 BMW X3 | 2005 BMW X5 | |
| Make | BMW | BMW |
| Model | X3 | X5 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 321 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 480 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 3700 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 83 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1765 kg | 2235 kg |
| Vehicle Length | 4570 mm | 4670 mm |
| Vehicle Width | 1680 mm | 1880 mm |
| Vehicle Height | 1880 mm | 1710 mm |
| Wheelbase Size | 2800 mm | 2890 mm |
| Fuel Consumption Overall | 8.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 67 L | 92 L |
