2003 Alfa Romeo 156 vs. 1981 Nissan Sunny
To start off, 2003 Alfa Romeo 156 is newer by 22 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 1,968 cc (4 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (162 HP @ 6400 RPM) has 88 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 470 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, 2003 Alfa Romeo 156 (206 Nm @ 3250 RPM) has 83 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1981 Nissan Sunny | |
| Make | Alfa Romeo | Nissan |
| Model | 156 | Sunny |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1487 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 74 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 206 Nm | 123 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 815 kg |
| Vehicle Length | 4440 mm | 4140 mm |
| Vehicle Width | 1750 mm | 1650 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2410 mm |
