2009 Audi A4 vs. 1981 Nissan Sunny
To start off, 2009 Audi A4 is newer by 28 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 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (128 HP @ 5700 RPM) has 75 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 720 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, 2009 Audi A4 (195 Nm @ 3500 RPM) has 91 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 2009 Audi A4 | 1981 Nissan Sunny | |
| Make | Audi | Nissan |
| Model | A4 | Sunny |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1680 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 53 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 195 Nm | 104 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 910 kg |
| Vehicle Length | 4580 mm | 4140 mm |
| Vehicle Width | 1780 mm | 1650 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
