1978 Mercury Cougar vs. 1966 Nissan Sunny
To start off, 1978 Mercury Cougar is newer by 12 year(s). Which means there will be less support and parts availability for 1966 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1966 Nissan Sunny would be higher. At 4,941 cc (8 cylinders), 1978 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1978 Mercury Cougar (133 HP @ 3400 RPM) has 89 more horse power than 1966 Nissan Sunny. (44 HP @ 6000 RPM). In normal driving conditions, 1978 Mercury Cougar should accelerate faster than 1966 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Cougar weights approximately 1207 kg more than 1966 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, 1978 Mercury Cougar (336 Nm @ 1600 RPM) has 261 more torque (in Nm) than 1966 Nissan Sunny. (75 Nm @ 3600 RPM). This means 1978 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1966 Nissan Sunny.
Compare all specifications:
| 1978 Mercury Cougar | 1966 Nissan Sunny | |
| Make | Mercury | Nissan |
| Model | Cougar | Sunny |
| Year Released | 1978 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 4941 cc | 988 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 133 HP | 44 HP |
| Engine RPM | 3400 RPM | 6000 RPM |
| Torque | 336 Nm | 75 Nm |
| Torque RPM | 1600 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1855 kg | 648 kg |
| Vehicle Length | 5480 mm | 3830 mm |
| Vehicle Width | 2010 mm | 1450 mm |
| Vehicle Height | 1340 mm | 1350 mm |
| Wheelbase Size | 2910 mm | 2290 mm |
