1977 BMW 728 vs. 1998 BMW 325
To start off, 1998 BMW 325 is newer by 21 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 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 56 more horse power than 1998 BMW 325. (114 HP @ 4800 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1998 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 102 kg more than 1998 BMW 325. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 15 more torque (in Nm) than 1998 BMW 325. (220 Nm @ 1900 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 325.
Compare all specifications:
| 1977 BMW 728 | 1998 BMW 325 | |
| Make | BMW | BMW |
| Model | 728 | 325 |
| Year Released | 1977 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 114 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 235 Nm | 220 Nm |
| Torque RPM | 3700 RPM | 1900 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 80 mm | 81 mm |
| Engine Compression Ratio | 9.0:1 | 22.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1434 kg |
| Vehicle Length | 4870 mm | 4490 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2800 mm | 2730 mm |
| Fuel Tank Capacity | 85 L | 63 L |
