2009 BMW 523 vs. 1989 BMW 730
To start off, 2009 BMW 523 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 BMW 730. In addition, the cost of maintenance, including insurance, on 1989 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1989 BMW 730 is equipped with a bigger engine. In terms of performance, 1989 BMW 730 (181 HP @ 5800 RPM) has 6 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 1989 BMW 730 should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 730 weights approximately 35 kg more than 2009 BMW 523. 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, 1989 BMW 730 (261 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 1989 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 1989 BMW 730 | |
| Make | BMW | BMW |
| Model | 523 | 730 |
| Year Released | 2009 | 1989 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 181 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 261 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 89 mm |
| Engine Stroke Size | 78.8 mm | 80 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1600 kg |
| Vehicle Length | 4850 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 90 L |
