2003 BMW X3 vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,492 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (185 HP @ 6000 RPM) has 37 more horse power than 2007 Mercedes-Benz C. (148 HP @ 4200 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 385 kg more than 2007 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 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 Mercedes-Benz C (341 Nm @ 1800 RPM) has 96 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 2007 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 2007 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | C |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 148 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 245 Nm | 341 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 88 mm |
| Engine Stroke Size | 75 mm | 88.3 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1455 kg |
| Vehicle Length | 4570 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2720 mm |
| Fuel Tank Capacity | 67 L | 62 L |
