2009 BMW 120 vs. 2007 BMW 730
To start off, 2009 BMW 120 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 730. In addition, the cost of maintenance, including insurance, on 2007 BMW 730 would be higher. At 2,993 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (228 HP @ 4000 RPM) has 73 more horse power than 2009 BMW 120. (155 HP @ 6700 RPM) In normal driving conditions, 2007 BMW 730 should accelerate faster than 2009 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 590 kg more than 2009 BMW 120. 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 730 (520 Nm @ 2000 RPM) has 320 more torque (in Nm) than 2009 BMW 120. (200 Nm @ 4250 RPM). This means 2007 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 120.
Compare all specifications:
| 2009 BMW 120 | 2007 BMW 730 | |
| Make | BMW | BMW |
| Model | 120 | 730 |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 228 HP |
| Engine RPM | 6700 RPM | 4000 RPM |
| Torque | 200 Nm | 520 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Compression Ratio | 12.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 200 km/hour | 233 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1975 kg |
| Vehicle Length | 4250 mm | 4230 mm |
| Vehicle Width | 1430 mm | 1910 mm |
| Vehicle Height | 1750 mm | 1500 mm |
| Wheelbase Size | 2670 mm | 3000 mm |
| Fuel Consumption Overall | 10.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 53 L | 88 L |
