1970 Honda Z vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1970 Honda Z. In addition, the cost of maintenance, including insurance, on 1970 Honda Z would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 149 more horse power than 1970 Honda Z. (24 HP @ 7000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1970 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 1044 kg more than 1970 Honda Z. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 235 more torque (in Nm) than 1970 Honda Z. (30 Nm @ 5000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1970 Honda Z.
Compare all specifications:
| 1970 Honda Z | 2004 Opel Signum | |
| Make | Honda | Opel |
| Model | Z | Signum |
| Year Released | 1970 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 356 cc | 1995 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 24 HP | 173 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 30 Nm | 265 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| Engine Bore Size | 62.5 mm | 86 mm |
| Engine Stroke Size | 57.8 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 516 kg | 1560 kg |
| Vehicle Length | 3000 mm | 4640 mm |
| Vehicle Width | 1300 mm | 1800 mm |
| Vehicle Height | 1280 mm | 1470 mm |
| Wheelbase Size | 2010 mm | 2840 mm |
