2003 BMW X3 vs. 2005 Mercedes-Benz E
To start off, 2005 Mercedes-Benz E is newer by 2 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 3,199 cc (6 cylinders), 2005 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz E (221 HP @ 5600 RPM) has 36 more horse power than 2003 BMW X3. (185 HP @ 6000 RPM) In normal driving conditions, 2005 Mercedes-Benz E should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 55 kg more than 2005 Mercedes-Benz E.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz E. 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, 2005 Mercedes-Benz E (315 Nm @ 3000 RPM) has 70 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 2005 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 2005 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | E |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 185 HP | 221 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 245 Nm | 315 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 89.9 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1840 kg | 1785 kg |
| Vehicle Length | 4570 mm | 4860 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1680 mm | 1500 mm |
| Wheelbase Size | 2800 mm | 2830 mm |
| Fuel Tank Capacity | 67 L | 80 L |
