2007 BMW X3 vs. 2005 BMW 318
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 147 more horse power than 2005 BMW 318. (113 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2005 BMW 318.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 318. In wet, icy, snow, or gravel driving conditions, 2007 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 BMW X3 (306 Nm @ 2750 RPM) has 139 more torque (in Nm) than 2005 BMW 318. (167 Nm @ 3750 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2007 BMW X3 | 2005 BMW 318 | |
| Make | BMW | BMW |
| Model | X3 | 318 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 113 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 306 Nm | 167 Nm |
| Torque RPM | 2750 RPM | 3750 RPM |
| Engine Bore Size | 85 mm | 84.1 mm |
| Engine Stroke Size | 88 mm | 81 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Length | 4580 mm | 4270 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1410 mm |
| Wheelbase Size | 2800 mm | 2740 mm |
| Fuel Tank Capacity | 67 L | 67 L |
