2006 BMW 645 vs. 2005 GMC Yukon
To start off, 2006 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 GMC Yukon. In addition, the cost of maintenance, including insurance, on 2005 GMC Yukon would be higher. At 5,965 cc (8 cylinders), 2005 GMC Yukon is equipped with a bigger engine. In terms of performance, 2005 GMC Yukon (336 HP) has 8 more horse power than 2006 BMW 645. (328 HP) In normal driving conditions, 2005 GMC Yukon should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Yukon weights approximately 777 kg more than 2006 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 GMC Yukon will offer significantly more control. 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 Yukon (509 Nm) has 59 more torque (in Nm) than 2006 BMW 645. (450 Nm). This means 2005 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2005 GMC Yukon | |
| Make | BMW | GMC |
| Model | 645 | Yukon |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 328 HP | 336 HP |
| Torque | 450 Nm | 509 Nm |
| Engine Bore Size | 92 mm | 102 mm |
| Engine Stroke Size | 83 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 8 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1836 kg | 2613 kg |
| Vehicle Length | 4830 mm | 5580 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1930 mm |
| Wheelbase Size | 2790 mm | 3310 mm |
| Fuel Consumption Overall | 12.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 117 L |
