2007 BMW 320 vs. 2011 BMW 123
To start off, 2011 BMW 123 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. Both 2007 BMW 320 and 2011 BMW 123 are equipped with a 1,995 cc engine. In terms of performance, 2011 BMW 123 (202 HP @ 4400 RPM) has 47 more horse power than 2007 BMW 320. (155 HP @ 4000 RPM) In normal driving conditions, 2011 BMW 123 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 123 weights approximately 25 kg more than 2007 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, 2011 BMW 123 (400 Nm @ 2000 RPM) has 70 more torque (in Nm) than 2007 BMW 320. (330 Nm @ 2000 RPM). This means 2011 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2011 BMW 123 | |
| Make | BMW | BMW |
| Model | 320 | 123 |
| Year Released | 2007 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 202 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 330 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 8.6 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1460 kg | 1485 kg |
| Vehicle Length | 4530 mm | 4239 mm |
| Vehicle Width | 1420 mm | 1748 mm |
| Vehicle Height | 1820 mm | 1421 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 7.5 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 63 L | 51 L |
