1977 BMW 728 vs. 1985 Volvo 780
To start off, 1985 Volvo 780 is newer by 8 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 43 more horse power than 1985 Volvo 780. (127 HP @ 4800 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1985 Volvo 780. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 66 kg more than 1985 Volvo 780. 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, 1985 Volvo 780 (250 Nm @ 2400 RPM) has 15 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 1985 Volvo 780 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 1977 BMW 728 | 1985 Volvo 780 | |
| Make | BMW | Volvo |
| Model | 728 | 780 |
| Year Released | 1977 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2383 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 127 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 235 Nm | 250 Nm |
| Torque RPM | 3700 RPM | 2400 RPM |
| Engine Bore Size | 86 mm | 76.5 mm |
| Engine Stroke Size | 80 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 23.0:1 |
| Top Speed | 193 km/hour | 187 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1470 kg |
| Vehicle Length | 4870 mm | 4800 mm |
| Vehicle Width | 1810 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2800 mm | 2780 mm |
| Fuel Tank Capacity | 85 L | 80 L |
