1979 BMW 728 vs. 2005 BMW 545
To start off, 2005 BMW 545 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 BMW 728. In addition, the cost of maintenance, including insurance, on 1979 BMW 728 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 145 more horse power than 1979 BMW 728. (181 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 1979 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 195 kg more than 1979 BMW 728. 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 210 more torque (in Nm) than 1979 BMW 728. (240 Nm @ 4200 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 728.
Compare all specifications:
| 1979 BMW 728 | 2005 BMW 545 | |
| Make | BMW | BMW |
| Model | 728 | 545 |
| Year Released | 1979 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 326 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 240 Nm | 450 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 80 mm | 82.7 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Top Speed | 201 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1665 kg |
| Vehicle Length | 4870 mm | 4850 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
| Fuel Tank Capacity | 100 L | 70 L |
