2005 Opel Signum vs. 1970 Honda Z
To start off, 2005 Opel Signum is newer by 35 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 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (99 HP @ 3120 RPM) has 62 more horse power than 1970 Honda Z. (37 HP @ 6600 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 1970 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 1070 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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 185 more torque (in Nm) than 1970 Honda Z. (45 Nm @ 7000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1970 Honda Z. 1970 Honda Z has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1970 Honda Z will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 1970 Honda Z | |
| Make | Opel | Honda |
| Model | Signum | Z |
| Year Released | 2005 | 1970 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 599 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 99 HP | 37 HP |
| Engine RPM | 3120 RPM | 6600 RPM |
| Torque | 230 Nm | 45 Nm |
| Torque RPM | 1500 RPM | 7000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1595 kg | 525 kg |
| Vehicle Length | 4640 mm | 3000 mm |
| Vehicle Width | 1800 mm | 1300 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2740 mm | 2010 mm |
