2007 Mazda 6 vs. 1991 Nissan Sunny
To start off, 2007 Mazda 6 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1991 Nissan Sunny would be higher. At 1,996 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (119 HP @ 3500 RPM) has 45 more horse power than 1991 Nissan Sunny. (74 HP @ 4800 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1991 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 418 kg more than 1991 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, 2007 Mazda 6 (310 Nm @ 2000 RPM) has 178 more torque (in Nm) than 1991 Nissan Sunny. (132 Nm @ 2800 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Nissan Sunny.
Compare all specifications:
| 2007 Mazda 6 | 1991 Nissan Sunny | |
| Make | Mazda | Nissan |
| Model | 6 | Sunny |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1974 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 119 HP | 74 HP |
| Engine RPM | 3500 RPM | 4800 RPM |
| Torque | 310 Nm | 132 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1510 kg | 1092 kg |
| Vehicle Length | 4690 mm | 3980 mm |
| Vehicle Width | 1790 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1400 mm |
