2008 BMW 730 vs. 2007 BMW 320
To start off, 2008 BMW 730 is newer by 1 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. At 2,996 cc (6 cylinders), 2008 BMW 730 is equipped with a bigger engine. In terms of performance, 2008 BMW 730 (254 HP @ 6600 RPM) has 86 more horse power than 2007 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2008 BMW 730 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 730 weights approximately 320 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, 2008 BMW 730 (300 Nm @ 2500 RPM) has 90 more torque (in Nm) than 2007 BMW 320. (210 Nm @ 3500 RPM). This means 2008 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2008 BMW 730 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | 730 | 320 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 168 HP |
| Engine RPM | 6600 RPM | 6100 RPM |
| Torque | 300 Nm | 210 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.7:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 222 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 9.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1935 kg | 1615 kg |
| Vehicle Length | 5040 mm | 4490 mm |
| Vehicle Width | 1910 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1380 mm |
| Wheelbase Size | 3000 mm | 2730 mm |
| Fuel Consumption Overall | 10.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
