1975 Nissan Sunny vs. 2010 Kia Optima
To start off, 2010 Kia Optima is newer by 35 year(s). Which means there will be less support and parts availability for 1975 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1975 Nissan Sunny would be higher. At 2,400 cc (4 cylinders), 2010 Kia Optima is equipped with a bigger engine. In terms of performance, 2010 Kia Optima (175 HP @ 6000 RPM) has 124 more horse power than 1975 Nissan Sunny. (51 HP @ 6000 RPM) In normal driving conditions, 2010 Kia Optima should accelerate faster than 1975 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2010 Kia Optima weights approximately 650 kg more than 1975 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2010 Kia Optima (229 Nm @ 4000 RPM) has 150 more torque (in Nm) than 1975 Nissan Sunny. (79 Nm @ 3600 RPM). This means 2010 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1975 Nissan Sunny.
Compare all specifications:
| 1975 Nissan Sunny | 2010 Kia Optima | |
| Make | Nissan | Kia |
| Model | Sunny | Optima |
| Year Released | 1975 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1171 cc | 2400 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 175 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 79 Nm | 229 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 800 kg | 1450 kg |
| Vehicle Length | 3960 mm | 4801 mm |
| Vehicle Width | 1550 mm | 1806 mm |
| Vehicle Height | 1380 mm | 1481 mm |
| Wheelbase Size | 2350 mm | 2720 mm |
