1977 Mazda 616 vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 30 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 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 249 more horse power than 1977 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 1977 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 780 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 326 more torque (in Nm) than 1977 Mazda 616. (124 Nm @ 3500 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 616.
Compare all specifications:
| 1977 Mazda 616 | 2007 BMW 645 | |
| Make | Mazda | BMW |
| Model | 616 | 645 |
| Year Released | 1977 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 79 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 124 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 910 kg | 1690 kg |
| Vehicle Length | 4160 mm | 4830 mm |
| Vehicle Width | 1590 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2480 mm | 2790 mm |
