2009 Daihatsu Sirion vs. 1971 Datsun 240Z
To start off, 2009 Daihatsu Sirion is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Datsun 240Z. In addition, the cost of maintenance, including insurance, on 1971 Datsun 240Z would be higher. At 2,393 cc (6 cylinders), 1971 Datsun 240Z is equipped with a bigger engine. In terms of performance, 1971 Datsun 240Z (151 HP @ 5600 RPM) has 49 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 1971 Datsun 240Z should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1971 Datsun 240Z weights approximately 162 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1971 Datsun 240Z. In wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion will offer significantly more control. 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, 1971 Datsun 240Z (198 Nm @ 4400 RPM) has 60 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 1971 Datsun 240Z will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 1971 Datsun 240Z has manual transmission. 1971 Datsun 240Z will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 1971 Datsun 240Z | |
| Make | Daihatsu | Datsun |
| Model | Sirion | 240Z |
| Year Released | 2009 | 1971 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 102 HP | 151 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 138 Nm | 198 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Bore Size | 72 mm | 83 mm |
| Engine Stroke Size | 91.8 mm | 73.7 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 180 km/hour | 201 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 906 kg | 1068 kg |
| Vehicle Length | 3640 mm | 4140 mm |
| Vehicle Width | 1670 mm | 1630 mm |
| Wheelbase Size | 2440 mm | 2300 mm |
| Fuel Consumption Overall | 6.7 L/100km | 11 L/100km |
