1979 BMW 735 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 BMW 735. In addition, the cost of maintenance, including insurance, on 1979 BMW 735 would be higher. At 3,451 cc (6 cylinders), 1979 BMW 735 is equipped with a bigger engine. In terms of performance, 1979 BMW 735 (218 HP @ 5200 RPM) has 3 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 1979 BMW 735 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 35 kg more than 1979 BMW 735.
Because 2009 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1979 BMW 735. In wet, icy, snow, or gravel driving conditions, 2009 BMW 525 will offer significantly more control. 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, 1979 BMW 735 (309 Nm @ 4000 RPM) has 59 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 1979 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 1979 BMW 735 | 2009 BMW 525 | |
| Make | BMW | BMW |
| Model | 735 | 525 |
| Year Released | 1979 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3451 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 218 HP | 215 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 309 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 93.4 mm | 78.8 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1565 kg |
| Vehicle Length | 4870 mm | 4850 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2890 mm |
| Fuel Tank Capacity | 100 L | 70 L |
