2003 BMW 730 vs. 2005 BMW 320
To start off, 2005 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. At 2,999 cc (6 cylinders), 2003 BMW 730 is equipped with a bigger engine. In terms of performance, 2003 BMW 730 (228 HP @ 5900 RPM) has 80 more horse power than 2005 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2003 BMW 730 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 730 weights approximately 395 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, 2003 BMW 730 (300 Nm @ 3500 RPM) has 100 more torque (in Nm) than 2005 BMW 320. (200 Nm @ 3600 RPM). This means 2003 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320. 2003 BMW 730 has automatic transmission and 2005 BMW 320 has manual transmission. 2005 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 BMW 730 | 2005 BMW 320 | |
Make | BMW | BMW |
Model | 730 | 320 |
Year Released | 2003 | 2005 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2999 cc | 1993 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 228 HP | 148 HP |
Engine RPM | 5900 RPM | 6200 RPM |
Torque | 300 Nm | 200 Nm |
Torque RPM | 3500 RPM | 3600 RPM |
Engine Bore Size | 84.1 mm | 84 mm |
Engine Stroke Size | 90 mm | 90 mm |
Engine Compression Ratio | 10.2:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1790 kg | 1395 kg |
Vehicle Length | 5040 mm | 4480 mm |
Vehicle Width | 1910 mm | 1750 mm |
Vehicle Height | 1500 mm | 1420 mm |
Wheelbase Size | 3000 mm | 2730 mm |
Fuel Tank Capacity | 63 L | 60 L |