1981 Nissan Sunny vs. 1991 Opel Kadett
To start off, 1991 Opel Kadett is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1981 Nissan Sunny would be higher. At 1,598 cc (4 cylinders), 1991 Opel Kadett is equipped with a bigger engine. In terms of performance, 1991 Opel Kadett (81 HP @ 5800 RPM) has 7 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM) In normal driving conditions, 1991 Opel Kadett should accelerate faster than 1981 Nissan Sunny.
Let's talk about torque, 1991 Opel Kadett (132 Nm @ 2600 RPM) has 9 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 1991 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1981 Nissan Sunny | 1991 Opel Kadett | |
| Make | Nissan | Opel |
| Model | Sunny | Kadett |
| Year Released | 1981 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1487 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 81 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 123 Nm | 132 Nm |
| Torque RPM | 2800 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4140 mm | 4000 mm |
| Vehicle Width | 1650 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1390 mm |
