1991 BMW 730 vs. 1977 Mazda 616
To start off, 1991 BMW 730 is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Mazda 616. In addition, the cost of maintenance, including insurance, on 1977 Mazda 616 would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 106 more horse power than 1977 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 1991 BMW 730 should accelerate faster than 1977 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 690 kg more than 1977 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 BMW 730 (260 Nm @ 4000 RPM) has 136 more torque (in Nm) than 1977 Mazda 616. (124 Nm @ 3500 RPM). This means 1991 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 616.
Compare all specifications:
| 1991 BMW 730 | 1977 Mazda 616 | |
| Make | BMW | Mazda |
| Model | 730 | 616 |
| Year Released | 1991 | 1977 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 79 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 260 Nm | 124 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1600 kg | 910 kg |
| Vehicle Length | 4920 mm | 4160 mm |
| Vehicle Width | 1850 mm | 1590 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2480 mm |
