2003 BMW X3 vs. 2013 BMW X5
To start off, 2013 BMW X5 is newer by 10 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 2,996 cc (6 cylinders), 2013 BMW X5 is equipped with a bigger engine. In terms of performance, 2013 BMW X5 (296 HP @ 5800 RPM) has 95 more horse power than 2003 BMW X3. (201 HP @ 4000 RPM) In normal driving conditions, 2013 BMW X5 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 weights approximately 320 kg more than 2003 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 X3 (410 Nm @ 1500 RPM) has 3 more torque (in Nm) than 2013 BMW X5. (407 Nm @ 5800 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW X5.
Compare all specifications:
| 2003 BMW X3 | 2013 BMW X5 | |
| Make | BMW | BMW |
| Model | X3 | X5 |
| Year Released | 2003 | 2013 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 296 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 410 Nm | 407 Nm |
| Torque RPM | 1500 RPM | 5800 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 89 mm |
| Engine Compression Ratio | 17.0:1 | 10.2 :1 |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1930 kg | 2250 kg |
| Vehicle Length | 4570 mm | 4857 mm |
| Vehicle Width | 1860 mm | 2197 mm |
| Vehicle Height | 1680 mm | 1776 mm |
| Wheelbase Size | 2730 mm | 2933 mm |
| Fuel Consumption | 7.3 L/100km | 8.6 L/100km |
| Fuel Consumption City | 12.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 67 L | 85 L |
