1973 Nissan Sunny vs. 2011 Daihatsu Copen
To start off, 2011 Daihatsu Copen is newer by 38 year(s). Which means there will be less support and parts availability for 1973 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1973 Nissan Sunny would be higher. At 1,171 cc (4 cylinders), 1973 Nissan Sunny is equipped with a bigger engine. In terms of performance, 2011 Daihatsu Copen (67 HP @ 6000 RPM) has 14 more horse power than 1973 Nissan Sunny. (53 HP @ 6000 RPM) In normal driving conditions, 2011 Daihatsu Copen should accelerate faster than 1973 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2011 Daihatsu Copen weights approximately 205 kg more than 1973 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, 2011 Daihatsu Copen (101 Nm @ 3200 RPM) has 6 more torque (in Nm) than 1973 Nissan Sunny. (95 Nm @ 4000 RPM). This means 2011 Daihatsu Copen will have an easier job in driving up hills or pulling heavy equipment than 1973 Nissan Sunny.
Compare all specifications:
| 1973 Nissan Sunny | 2011 Daihatsu Copen | |
| Make | Nissan | Daihatsu |
| Model | Sunny | Copen |
| Year Released | 1973 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1171 cc | 659 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 67 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 95 Nm | 101 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 700 kg | 905 kg |
| Vehicle Length | 3840 mm | 3400 mm |
| Vehicle Width | 1500 mm | 1480 mm |
| Vehicle Height | 1400 mm | 1250 mm |
| Wheelbase Size | 2310 mm | 2230 mm |
