1970 Honda N III vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1970 Honda N III. In addition, the cost of maintenance, including insurance, on 1970 Honda N III would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 144 more horse power than 1970 Honda N III. (31 HP @ 8500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1970 Honda N III. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 1175 kg more than 1970 Honda N III. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Opel Signum (371 Nm @ 1900 RPM) has 341 more torque (in Nm) than 1970 Honda N III. (30 Nm @ 5500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1970 Honda N III.
Compare all specifications:
| 1970 Honda N III | 2003 Opel Signum | |
| Make | Honda | Opel |
| Model | N III | Signum |
| Year Released | 1970 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 354 cc | 2958 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 31 HP | 175 HP |
| Engine RPM | 8500 RPM | 4000 RPM |
| Torque | 30 Nm | 371 Nm |
| Torque RPM | 5500 RPM | 1900 RPM |
| Engine Bore Size | 62.5 mm | 87.5 mm |
| Engine Stroke Size | 57.8 mm | 82 mm |
| Top Speed | 115 km/hour | 221 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 495 kg | 1670 kg |
| Vehicle Length | 3000 mm | 4640 mm |
| Vehicle Width | 1300 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2010 mm | 2700 mm |
