2004 Kia Opirus vs. 1975 Mazda 616
To start off, 2004 Kia Opirus 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 3,497 cc (6 cylinders), 2004 Kia Opirus is equipped with a bigger engine. In terms of performance, 2004 Kia Opirus (196 HP @ 5500 RPM) has 117 more horse power than 1975 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2004 Kia Opirus should accelerate faster than 1975 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Opirus weights approximately 850 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 Kia Opirus (294 Nm @ 3500 RPM) has 170 more torque (in Nm) than 1975 Mazda 616. (124 Nm @ 3500 RPM). This means 2004 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 616.
Compare all specifications:
| 2004 Kia Opirus | 1975 Mazda 616 | |
| Make | Kia | Mazda |
| Model | Opirus | 616 |
| Year Released | 2004 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 196 HP | 79 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 294 Nm | 124 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 78 mm |
| Engine Stroke Size | 85.8 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1760 kg | 910 kg |
| Vehicle Length | 4960 mm | 4160 mm |
| Vehicle Width | 1860 mm | 1590 mm |
| Vehicle Height | 1490 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2480 mm |
