1973 Honda Z vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Honda Z. In addition, the cost of maintenance, including insurance, on 1973 Honda Z would be higher. At 2,198 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (145 HP @ 5800 RPM) has 113 more horse power than 1973 Honda Z. (32 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1973 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 718 kg more than 1973 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 Astra (203 Nm @ 4000 RPM) has 160 more torque (in Nm) than 1973 Honda Z. (43 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 Honda Z.
Compare all specifications:
| 1973 Honda Z | 2005 Opel Astra | |
| Make | Honda | Opel |
| Model | Z | Astra |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 599 cc | 2198 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 32 HP | 145 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 43 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 8.5:1 | 10.0:1 |
| Top Speed | 126 km/hour | 213 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 580 kg | 1298 kg |
| Vehicle Length | 3140 mm | 4270 mm |
| Vehicle Width | 1310 mm | 1720 mm |
| Vehicle Height | 1290 mm | 1400 mm |
| Wheelbase Size | 2010 mm | 2620 mm |
| Fuel Tank Capacity | 25 L | 52 L |
