2006 Mazda 6 vs. 1981 Nissan Sunny
To start off, 2006 Mazda 6 is newer by 25 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 1,999 cc (4 cylinders), 2006 Mazda 6 is equipped with a bigger engine. In terms of performance, 2006 Mazda 6 (139 HP @ 6000 RPM) has 65 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 2006 Mazda 6 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mazda 6 weights approximately 560 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, 2006 Mazda 6 (181 Nm @ 4500 RPM) has 58 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 2006 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 2006 Mazda 6 | 1981 Nissan Sunny | |
| Make | Mazda | Nissan |
| Model | 6 | Sunny |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 1487 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 74 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 181 Nm | 123 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1375 kg | 815 kg |
| Vehicle Length | 4690 mm | 4140 mm |
| Vehicle Width | 1790 mm | 1650 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2680 mm | 2410 mm |
