2007 BMW X3 vs. 2005 GMC Sierra
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (301 HP) has 33 more horse power than 2007 BMW X3. (268 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 863 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, 2005 GMC Sierra (488 Nm) has 173 more torque (in Nm) than 2007 BMW X3. (315 Nm). This means 2005 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 | 2005 GMC Sierra | |
| Make | BMW | GMC |
| Model | X3 | Sierra |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 268 HP | 301 HP |
| Torque | 315 Nm | 488 Nm |
| Engine Bore Size | 85 mm | 102 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Engine Compression Ratio | 10.7:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 2678 kg |
| Vehicle Length | 4570 mm | 5650 mm |
| Vehicle Width | 1680 mm | 2450 mm |
| Vehicle Height | 1860 mm | 1950 mm |
| Wheelbase Size | 2800 mm | 3380 mm |
| Fuel Tank Capacity | 67 L | 129 L |
