1981 Nissan Sunny vs. 2004 Smart ForFour
To start off, 2004 Smart ForFour 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 1,680 cc (4 cylinders), 1981 Nissan Sunny is equipped with a bigger engine. In terms of performance, 2004 Smart ForFour (94 HP @ 6000 RPM) has 41 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM) In normal driving conditions, 2004 Smart ForFour should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2004 Smart ForFour weights approximately 60 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 Smart ForFour (125 Nm @ 4000 RPM) has 21 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 2004 Smart ForFour will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1981 Nissan Sunny | 2004 Smart ForFour | |
| Make | Nissan | Smart |
| Model | Sunny | ForFour |
| Year Released | 1981 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1680 cc | 1332 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 94 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 104 Nm | 125 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 910 kg | 970 kg |
| Vehicle Length | 4140 mm | 3760 mm |
| Vehicle Width | 1650 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2410 mm | 2510 mm |
