2008 BMW X3 vs. 2007 BMW X5
To start off, 2008 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (283 HP @ 3600 RPM) has 23 more horse power than 2008 BMW X3. (260 HP @ 6600 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 665 kg more than 2008 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 X5 (440 Nm @ 5400 RPM) has 135 more torque (in Nm) than 2008 BMW X3. (305 Nm @ 2750 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3. 2007 BMW X5 has automatic transmission and 2008 BMW X3 has manual transmission. 2008 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X3 | 2007 BMW X5 | |
| Make | BMW | BMW |
| Model | X3 | X5 |
| Year Released | 2008 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 283 HP |
| Engine RPM | 6600 RPM | 3600 RPM |
| Torque | 305 Nm | 440 Nm |
| Torque RPM | 2750 RPM | 5400 RPM |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1515 kg | 2180 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1680 mm | 1710 mm |
| Wheelbase Size | 2800 mm | 2830 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 67 L | 93 L |
