2006 BMW X5 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (364 HP @ 5400 RPM) has 183 more horse power than 2006 BMW X5. (181 HP @ 2000 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1029 kg more than 2006 BMW X5. 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 96 more torque (in Nm) than 2006 BMW X5. (410 Nm @ 2000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2011 GMC Sierra | |
| Make | BMW | GMC |
| Model | X5 | Sierra |
| Year Released | 2006 | 2011 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 181 HP | 364 HP |
| Engine RPM | 2000 RPM | 5400 RPM |
| Torque | 410 Nm | 506 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Compression Ratio | 18.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 2659 kg |
| Vehicle Length | 4670 mm | 5710 mm |
| Vehicle Width | 1880 mm | 2040 mm |
| Vehicle Height | 1720 mm | 1940 mm |
| Wheelbase Size | 2830 mm | 3380 mm |
| Fuel Consumption Overall | 8.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 93 L | 129 L |
