1966 Alfa Romeo Spider vs. 1961 NSU Prinz IV
To start off, 1966 Alfa Romeo Spider is newer by 5 year(s). Which means there will be less support and parts availability for 1961 NSU Prinz IV. In addition, the cost of maintenance, including insurance, on 1961 NSU Prinz IV would be higher. At 2,582 cc (6 cylinders), 1966 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 133 more horse power than 1961 NSU Prinz IV. (30 HP @ 5500 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1961 NSU Prinz IV. With that said, vehicle weight also plays an important factor in acceleration. 1966 Alfa Romeo Spider weights approximately 765 kg more than 1961 NSU Prinz IV. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1966 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 176 more torque (in Nm) than 1961 NSU Prinz IV. (44 Nm @ 3250 RPM). This means 1966 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1961 NSU Prinz IV.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1961 NSU Prinz IV | |
| Make | Alfa Romeo | NSU |
| Model | Spider | Prinz IV |
| Year Released | 1966 | 1961 |
| Engine Position | Front | Rear |
| Engine Size | 2582 cc | 598 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 30 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 220 Nm | 44 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 76 mm |
| Engine Stroke Size | 79.6 mm | 66 mm |
| Engine Compression Ratio | 9.0:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 565 kg |
| Vehicle Length | 4510 mm | 3570 mm |
| Vehicle Width | 1610 mm | 1490 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2510 mm | 2050 mm |
| Fuel Tank Capacity | 46 L | 37 L |
