1991 BMW 730 vs. 2005 BMW 330
To start off, 2005 BMW 330 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 BMW 730. In addition, the cost of maintenance, including insurance, on 1991 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 330 (215 HP @ 7400 RPM) has 30 more horse power than 1991 BMW 730. (185 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 330 should accelerate faster than 1991 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 110 kg more than 2005 BMW 330.
Let's talk about torque, 2005 BMW 330 (290 Nm) has 30 more torque (in Nm) than 1991 BMW 730. (260 Nm). This means 2005 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730.
Compare all specifications:
| 1991 BMW 730 | 2005 BMW 330 | |
| Make | BMW | BMW |
| Model | 730 | 330 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 215 HP |
| Engine RPM | 5800 RPM | 7400 RPM |
| Torque | 260 Nm | 290 Nm |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 80 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1490 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Tank Capacity | 90 L | 63 L |
