1975 Nissan Sunny vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 28 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 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 157 more horse power than 1975 Nissan Sunny. (51 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1975 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 221 more torque (in Nm) than 1975 Nissan Sunny. (79 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Nissan Sunny.
Compare all specifications:
| 1975 Nissan Sunny | 2003 Opel Signum | |
| Make | Nissan | Opel |
| Model | Sunny | Signum |
| Year Released | 1975 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1171 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 51 HP | 208 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 79 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 800 kg | 1610 kg |
| Vehicle Length | 3960 mm | 4640 mm |
| Vehicle Width | 1550 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2740 mm |
