1998 BMW 320 vs. 2005 BMW 730
To start off, 2005 BMW 730 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW 320. In addition, the cost of maintenance, including insurance, on 1998 BMW 320 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 55 more horse power than 1998 BMW 320. (170 HP @ 6250 RPM) In normal driving conditions, 2005 BMW 730 should accelerate faster than 1998 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 475 kg more than 1998 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 290 more torque (in Nm) than 1998 BMW 320. (210 Nm @ 3500 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 320.
Compare all specifications:
| 1998 BMW 320 | 2005 BMW 730 | |
| Make | BMW | BMW |
| Model | 320 | 730 |
| Year Released | 1998 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2169 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 225 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 210 Nm | 500 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 84.1 mm |
| Engine Stroke Size | 72 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 9.3 seconds | 8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1975 kg |
| Vehicle Length | 4480 mm | 5050 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 88 L |
