2003 Mazda Roadster vs. 1970 Mazda 616
To start off, 2003 Mazda Roadster is newer by 33 year(s). Which means there will be less support and parts availability for 1970 Mazda 616. In addition, the cost of maintenance, including insurance, on 1970 Mazda 616 would be higher. At 1,839 cc (4 cylinders), 2003 Mazda Roadster is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (157 HP @ 7000 RPM) has 78 more horse power than 1970 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 1970 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda Roadster weights approximately 150 kg more than 1970 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, 2003 Mazda Roadster (170 Nm @ 5500 RPM) has 46 more torque (in Nm) than 1970 Mazda 616. (124 Nm @ 3500 RPM). This means 2003 Mazda Roadster will have an easier job in driving up hills or pulling heavy equipment than 1970 Mazda 616.
Compare all specifications:
| 2003 Mazda Roadster | 1970 Mazda 616 | |
| Make | Mazda | Mazda |
| Model | Roadster | 616 |
| Year Released | 2003 | 1970 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 1586 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 157 HP | 79 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 170 Nm | 124 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 78 mm |
| Engine Stroke Size | 85 mm | 83 mm |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1060 kg | 910 kg |
| Vehicle Length | 3960 mm | 4160 mm |
| Vehicle Width | 1690 mm | 1590 mm |
| Vehicle Height | 1240 mm | 1400 mm |
| Wheelbase Size | 2370 mm | 2480 mm |
