2004 BMW 630 vs. 1975 Mazda 616
To start off, 2004 BMW 630 is newer by 29 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 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 175 more horse power than 1975 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 1975 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 866 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 176 more torque (in Nm) than 1975 Mazda 616. (124 Nm @ 3500 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 616.
Compare all specifications:
| 2004 BMW 630 | 1975 Mazda 616 | |
| Make | BMW | Mazda |
| Model | 630 | 616 |
| Year Released | 2004 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 254 HP | 79 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 300 Nm | 124 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 78 mm |
| Engine Stroke Size | 88 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1776 kg | 910 kg |
| Vehicle Length | 4830 mm | 4160 mm |
| Vehicle Width | 1860 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2730 mm | 2480 mm |
