2007 BMW 323 vs. 2005 BMW X5
To start off, 2007 BMW 323 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 39 more horse power than 2007 BMW 323. (176 HP @ 6200 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 2007 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 650 kg more than 2007 BMW 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 323. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 290 more torque (in Nm) than 2007 BMW 323. (230 Nm @ 3600 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 323. 2007 BMW 323 has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 323 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 323 | 2005 BMW X5 | |
| Make | BMW | BMW |
| Model | 323 | X5 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2926 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 176 HP | 215 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 230 Nm | 520 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 78.8 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1520 kg | 2170 kg |
| Vehicle Length | 4530 mm | 4670 mm |
| Vehicle Width | 1430 mm | 1880 mm |
| Vehicle Height | 1820 mm | 1720 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption Overall | 7.5 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 60 L | 93 L |
