2003 BMW X5 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 85 more horse power than 2003 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 266 kg more than 2003 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 12 more torque (in Nm) than 2006 GMC Sierra. (488 Nm @ 4000 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2003 BMW X5 | 2006 GMC Sierra | |
| Make | BMW | GMC |
| Model | X5 | Sierra |
| Year Released | 2003 | 2006 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 300 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 500 Nm | 488 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2170 kg | 2436 kg |
| Vehicle Length | 4670 mm | 6570 mm |
| Vehicle Width | 1880 mm | 2450 mm |
| Vehicle Height | 1720 mm | 1970 mm |
| Wheelbase Size | 2940 mm | 4250 mm |
| Fuel Consumption Overall | 8.6 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 93 L | 132 L |
