1991 BMW 730 vs. 2007 BMW 530
To start off, 2007 BMW 530 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 2,996 cc (6 cylinders), 2007 BMW 530 is equipped with a bigger engine. In terms of performance, 2007 BMW 530 (254 HP @ 6600 RPM) has 69 more horse power than 1991 BMW 730. (185 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 530 should accelerate faster than 1991 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 100 kg more than 2007 BMW 530.
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, 2007 BMW 530 (300 Nm @ 3500 RPM) has 40 more torque (in Nm) than 1991 BMW 730. (260 Nm @ 4000 RPM). This means 2007 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730. 2007 BMW 530 has automatic transmission and 1991 BMW 730 has manual transmission. 1991 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 530 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 730 | 2007 BMW 530 | |
| Make | BMW | BMW |
| Model | 730 | 530 |
| Year Released | 1991 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 260 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1500 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1470 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2840 mm | 2890 mm |
| Fuel Tank Capacity | 90 L | 70 L |
