2007 BMW X3 vs. 2006 GMC Sierra
To start off, 2007 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,326 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 27 more horse power than 2007 BMW X3. (268 HP @ 6600 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 844 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, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 139 more torque (in Nm) than 2007 BMW X3. (315 Nm @ 2750 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2006 GMC Sierra | |
| Make | BMW | GMC |
| Model | X3 | Sierra |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 5326 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 268 HP | 295 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 315 Nm | 454 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 96 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Engine Compression Ratio | 10.7:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 2659 kg |
| Vehicle Length | 4570 mm | 6330 mm |
| Vehicle Width | 1680 mm | 2000 mm |
| Vehicle Height | 1860 mm | 1880 mm |
| Wheelbase Size | 2800 mm | 4010 mm |
| Fuel Consumption Overall | 10.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 67 L | 129 L |
