1981 Nissan Sunny vs. 2001 Pontiac Firebird
To start off, 2001 Pontiac Firebird is newer by 20 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 3,791 cc (6 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (198 HP @ 5200 RPM) has 124 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 646 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, 2001 Pontiac Firebird (305 Nm @ 4000 RPM) has 182 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1981 Nissan Sunny | 2001 Pontiac Firebird | |
| Make | Nissan | Pontiac |
| Model | Sunny | Firebird |
| Year Released | 1981 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1487 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 198 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 123 Nm | 305 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 815 kg | 1461 kg |
| Vehicle Length | 4140 mm | 4970 mm |
| Vehicle Width | 1650 mm | 1900 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2410 mm | 2570 mm |
