1981 Nissan Sunny vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 23 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 2,169 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (123 HP @ 4000 RPM) has 70 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 595 kg more than 1981 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, 2004 Opel Vectra (280 Nm @ 1500 RPM) has 176 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1981 Nissan Sunny | 2004 Opel Vectra | |
| Make | Nissan | Opel |
| Model | Sunny | Vectra |
| Year Released | 1981 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1680 cc | 2169 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 123 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 104 Nm | 280 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Fuel Type | Diesel | Diesel |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 910 kg | 1505 kg |
| Vehicle Length | 4140 mm | 4600 mm |
| Vehicle Width | 1650 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2720 mm |
