2005 BMW 320 vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 27 more horse power than 2005 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 523 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 65 kg more than 2005 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 523 (230 Nm @ 3500 RPM) has 30 more torque (in Nm) than 2005 BMW 320. (200 Nm @ 3600 RPM). This means 2007 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320. 2005 BMW 320 has automatic transmission and 2007 BMW 523 has manual transmission. 2007 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 320 | 2007 BMW 523 | |
| Make | BMW | BMW |
| Model | 320 | 523 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 175 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 200 Nm | 230 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 82.1 mm |
| Engine Stroke Size | 90 mm | 78.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.7 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1425 kg | 1490 kg |
| Vehicle Width | 1750 mm | 1470 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption Overall | 9 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
