2005 Kia Optima vs. 1970 Mazda 616
To start off, 2005 Kia Optima is newer by 35 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 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (138 HP @ 3800 RPM) has 59 more horse power than 1970 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 1970 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 578 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, 2005 Kia Optima (199 Nm) has 75 more torque (in Nm) than 1970 Mazda 616. (124 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1970 Mazda 616.
Compare all specifications:
| 2005 Kia Optima | 1970 Mazda 616 | |
| Make | Kia | Mazda |
| Model | Optima | 616 |
| Year Released | 2005 | 1970 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1586 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 79 HP |
| Engine RPM | 3800 RPM | 5500 RPM |
| Torque | 199 Nm | 124 Nm |
| Engine Bore Size | 87 mm | 78 mm |
| Engine Stroke Size | 100 mm | 83 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1488 kg | 910 kg |
| Vehicle Length | 4730 mm | 4160 mm |
| Vehicle Width | 1820 mm | 1590 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2480 mm |
