2003 BMW 645 vs. 2006 Ford Expedition
To start off, 2006 Ford Expedition is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 5,408 cc (8 cylinders), 2006 Ford Expedition is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 10 more horse power than 2006 Ford Expedition. (300 HP @ 5000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2006 Ford Expedition. With that said, vehicle weight also plays an important factor in acceleration. 2006 Ford Expedition weights approximately 1158 kg more than 2003 BMW 645.
Because 2006 Ford Expedition is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2006 Ford Expedition 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, 2006 Ford Expedition (496 Nm @ 3750 RPM) has 46 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Ford Expedition will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2006 Ford Expedition | |
| Make | BMW | Ford |
| Model | 645 | Expedition |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5408 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 310 HP | 300 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 450 Nm | 496 Nm |
| Torque RPM | 3600 RPM | 3750 RPM |
| Engine Bore Size | 92 mm | 90 mm |
| Engine Stroke Size | 82.7 mm | 106 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 9 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1698 kg | 2856 kg |
| Vehicle Length | 4830 mm | 5230 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1950 mm |
| Wheelbase Size | 2790 mm | 3030 mm |
| Fuel Consumption | 8 L/100km | 12.4 L/100km |
| Fuel Consumption City | 16.1 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
