2008 BMW X3 vs. 2009 BMW X6
To start off, 2009 BMW X6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X3. In addition, the cost of maintenance, including insurance, on 2008 BMW X3 would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 173 more horse power than 2008 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2009 BMW X6 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 161 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, 2009 BMW X6 (610 Nm @ 1750 RPM) has 310 more torque (in Nm) than 2008 BMW X3. (300 Nm @ 3500 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3.
Compare all specifications:
| 2008 BMW X3 | 2009 BMW X6 | |
| Make | BMW | BMW |
| Model | X3 | X6 |
| Year Released | 2008 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 401 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 300 Nm | 610 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 205 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10 seconds | 5.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2104 kg | 2265 kg |
| Vehicle Length | 4670 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1990 mm |
| Vehicle Height | 1880 mm | 1700 mm |
| Wheelbase Size | 2830 mm | 2940 mm |
| Fuel Consumption Overall | 14.5 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 67 L | 85 L |
