2003 BMW 320 vs. 2006 BMW 523
To start off, 2006 BMW 523 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP) has 27 more horse power than 2003 BMW 320. (148 HP) In normal driving conditions, 2006 BMW 523 should accelerate faster than 2003 BMW 320.
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, 2006 BMW 523 (230 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2003 BMW 320. (210 Nm @ 3750 RPM). This means 2006 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320. 2006 BMW 523 has automatic transmission and 2003 BMW 320 has manual transmission. 2003 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 320 | 2006 BMW 523 | |
| Make | BMW | BMW |
| Model | 320 | 523 |
| Year Released | 2003 | 2006 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 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 |
| Torque | 210 Nm | 230 Nm |
| Torque RPM | 3750 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4490 mm | 4850 mm |
| Vehicle Width | 1760 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 70 L |
