1981 BMW 745 vs. 1975 Mazda 616
To start off, 1981 BMW 745 is newer by 6 year(s). Which means there will be less support and parts availability for 1975 Mazda 616. In addition, the cost of maintenance, including insurance, on 1975 Mazda 616 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 173 more horse power than 1975 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1975 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 680 kg more than 1975 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 256 more torque (in Nm) than 1975 Mazda 616. (124 Nm @ 3500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 616.
Compare all specifications:
| 1981 BMW 745 | 1975 Mazda 616 | |
| Make | BMW | Mazda |
| Model | 745 | 616 |
| Year Released | 1981 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 79 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 380 Nm | 124 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 78 mm |
| Engine Stroke Size | 86 mm | 83 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 910 kg |
| Vehicle Length | 4870 mm | 4160 mm |
| Vehicle Width | 1810 mm | 1590 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2800 mm | 2480 mm |
