1971 Honda Z vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Honda Z. In addition, the cost of maintenance, including insurance, on 1971 Honda Z would be higher. At 1,388 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (89 HP @ 6000 RPM) has 65 more horse power than 1971 Honda Z. (24 HP @ 7000 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 1971 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 680 kg more than 1971 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, 2003 Opel Astra (125 Nm @ 4000 RPM) has 95 more torque (in Nm) than 1971 Honda Z. (30 Nm @ 5000 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1971 Honda Z.
Compare all specifications:
| 1971 Honda Z | 2003 Opel Astra | |
| Make | Honda | Opel |
| Model | Z | Astra |
| Year Released | 1971 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 355 cc | 1388 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 24 HP | 89 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 30 Nm | 125 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 62.5 mm | 77.6 mm |
| Engine Stroke Size | 57.8 mm | 73.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 510 kg | 1190 kg |
| Vehicle Length | 3000 mm | 4260 mm |
| Vehicle Width | 1300 mm | 1720 mm |
| Vehicle Height | 1280 mm | 1470 mm |
| Wheelbase Size | 2010 mm | 2620 mm |
