1991 Ford Thunderbird vs. 1975 Nissan Sunny
To start off, 1991 Ford Thunderbird is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1975 Nissan Sunny would be higher. At 3,791 cc (6 cylinders), 1991 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1991 Ford Thunderbird (138 HP @ 3800 RPM) has 87 more horse power than 1975 Nissan Sunny. (51 HP @ 6000 RPM). In normal driving conditions, 1991 Ford Thunderbird should accelerate faster than 1975 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 810 kg more than 1975 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, 1991 Ford Thunderbird (291 Nm @ 2400 RPM) has 212 more torque (in Nm) than 1975 Nissan Sunny. (79 Nm @ 3600 RPM). This means 1991 Ford Thunderbird will have an easier job in driving up hills or pulling heavy equipment than 1975 Nissan Sunny.
Compare all specifications:
| 1991 Ford Thunderbird | 1975 Nissan Sunny | |
| Make | Ford | Nissan |
| Model | Thunderbird | Sunny |
| Year Released | 1991 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 51 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 291 Nm | 79 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1610 kg | 800 kg |
| Vehicle Length | 5050 mm | 3960 mm |
| Vehicle Width | 1850 mm | 1550 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2880 mm | 2350 mm |
