2007 BMW 645 vs. 2003 Dodge Ram
To start off, 2007 BMW 645 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Dodge Ram. In addition, the cost of maintenance, including insurance, on 2003 Dodge Ram would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 155 more horse power than 2003 Dodge Ram. (173 HP @ 4800 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2003 Dodge Ram. With that said, vehicle weight also plays an important factor in acceleration. 2003 Dodge Ram weights approximately 380 kg more than 2007 BMW 645.
Because 2003 Dodge Ram is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2003 Dodge Ram 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 145 more torque (in Nm) than 2003 Dodge Ram. (305 Nm @ 3200 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2003 Dodge Ram.
Compare all specifications:
| 2007 BMW 645 | 2003 Dodge Ram | |
| Make | BMW | Dodge |
| Model | 645 | Ram |
| Year Released | 2007 | 2003 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3906 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 173 HP |
| Engine RPM | 6100 RPM | 4800 RPM |
| Torque | 450 Nm | 305 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1690 kg | 2070 kg |
| Vehicle Length | 4830 mm | 4760 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1380 mm | 2030 mm |
| Wheelbase Size | 2790 mm | 2790 mm |
