2003 BMW 645 vs. 2004 Ford Explorer
To start off, 2004 Ford Explorer is newer by 1 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 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 100 more horse power than 2004 Ford Explorer. (210 HP @ 6000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2004 Ford Explorer. With that said, vehicle weight also plays an important factor in acceleration. 2004 Ford Explorer weights approximately 275 kg more than 2003 BMW 645.
Because 2004 Ford Explorer 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, 2004 Ford Explorer 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, 2003 BMW 645 (450 Nm) has 125 more torque (in Nm) than 2004 Ford Explorer. (325 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Ford Explorer.
Compare all specifications:
| 2003 BMW 645 | 2004 Ford Explorer | |
| Make | BMW | Ford |
| Model | 645 | Explorer |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4015 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 310 HP | 210 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 450 Nm | 325 Nm |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 9.7:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1698 kg | 1973 kg |
| Vehicle Length | 4830 mm | 5240 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1790 mm |
| Wheelbase Size | 2790 mm | 3200 mm |
| Fuel Consumption | 8 L/100km | 11.9 L/100km |
| Fuel Consumption City | 16.1 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 10.9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
