2003 BMW X5 vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 10 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (338 HP @ 6100 RPM) has 100 more horse power than 2013 BMW 3 Series. (238 HP @ 5000 RPM). In normal driving conditions, 2003 BMW X5 should accelerate faster than 2013 BMW 3 Series. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 564 kg more than 2013 BMW 3 Series. 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 X5 (400 Nm @ 3700 RPM) has 50 more torque (in Nm) than 2013 BMW 3 Series. (350 Nm @ 4800 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 3 Series.
Compare all specifications:
| 2003 BMW X5 | 2013 BMW 3 Series | |
| Make | BMW | BMW |
| Model | X5 | 3 Series |
| Year Released | 2003 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 238 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 400 Nm | 350 Nm |
| Torque RPM | 3700 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 10:01 |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2195 kg | 1631 kg |
| Vehicle Length | 4670 mm | 4636 mm |
| Vehicle Width | 1880 mm | 2031 mm |
| Vehicle Height | 1720 mm | 1434 mm |
| Wheelbase Size | 2730 mm | 2810 mm |
| Fuel Consumption Highway | 10.4 L/100km | 6.2 L/100km |
| Fuel Consumption City | 18.3 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 93 L | 60 L |
