1977 BMW 728 vs. 2005 BMW 530
To start off, 2005 BMW 530 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,996 cc (6 cylinders), 2005 BMW 530 is equipped with a bigger engine. In terms of performance, 2005 BMW 530 (254 HP @ 6000 RPM) has 84 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 530 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 530 weights approximately 234 kg more than 1977 BMW 728. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 530 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 728. In wet, icy, snow, or gravel driving conditions, 2005 BMW 530 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, 2005 BMW 530 (300 Nm @ 2500 RPM) has 65 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2005 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 2005 BMW 530 has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 530 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 2005 BMW 530 | |
| Make | BMW | BMW |
| Model | 728 | 530 |
| Year Released | 1977 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 254 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 235 Nm | 300 Nm |
| Torque RPM | 3700 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 85 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Top Speed | 193 km/hour | 242 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1536 kg | 1770 kg |
| Vehicle Length | 4870 mm | 4850 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2800 mm | 2890 mm |
| Fuel Tank Capacity | 85 L | 70 L |
