2009 BMW 323 vs. 2006 BMW X5
To start off, 2009 BMW 323 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 4,799 cc (8 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (355 HP @ 6200 RPM) has 180 more horse power than 2009 BMW 323. (175 HP @ 5800 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 2009 BMW 323.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 323. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2006 BMW X5 (490 Nm @ 3600 RPM) has 260 more torque (in Nm) than 2009 BMW 323. (230 Nm @ 3500 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 323. 2006 BMW X5 has automatic transmission and 2009 BMW 323 has manual transmission. 2009 BMW 323 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 323 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | 323 | X5 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 355 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 230 Nm | 490 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 78.8 mm | 93 mm |
| Engine Stroke Size | 82 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4530 mm | 4670 mm |
| Vehicle Width | 1430 mm | 1880 mm |
| Vehicle Height | 1820 mm | 1710 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption Overall | 7.5 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 60 L | 93 L |
