1991 BMW 730 vs. 2007 BMW 335
To start off, 2007 BMW 335 is newer by 16 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, 2007 BMW 335 (300 HP @ 5800 RPM) has 115 more horse power than 1991 BMW 730. (185 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 335 should accelerate faster than 1991 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 115 kg more than 2007 BMW 335.
Let's talk about torque, 2007 BMW 335 (407 Nm @ 1400 RPM) has 147 more torque (in Nm) than 1991 BMW 730. (260 Nm @ 4000 RPM). This means 2007 BMW 335 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730.
Compare all specifications:
| 1991 BMW 730 | 2007 BMW 335 | |
| Make | BMW | BMW |
| Model | 730 | 335 |
| Year Released | 1991 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 300 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 260 Nm | 407 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 80 mm | 89.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1600 kg | 1485 kg |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Tank Capacity | 90 L | 61 L |
