2009 Daihatsu Sirion vs. 1975 Datsun 280Z
To start off, 2009 Daihatsu Sirion is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Datsun 280Z. In addition, the cost of maintenance, including insurance, on 1975 Datsun 280Z would be higher. At 2,753 cc (6 cylinders), 1975 Datsun 280Z is equipped with a bigger engine. In terms of performance, 1975 Datsun 280Z (150 HP @ 5600 RPM) has 60 more horse power than 2009 Daihatsu Sirion. (90 HP @ 6000 RPM) In normal driving conditions, 1975 Datsun 280Z should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1975 Datsun 280Z weights approximately 220 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 1975 Datsun 280Z. 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, 1975 Datsun 280Z (221 Nm @ 4400 RPM) has 101 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1975 Datsun 280Z will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 1975 Datsun 280Z | |
| Make | Daihatsu | Datsun |
| Model | Sirion | 280Z |
| Year Released | 2009 | 1975 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2753 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 150 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 120 Nm | 221 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Bore Size | 72 mm | 86.1 mm |
| Engine Stroke Size | 79.7 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 980 kg | 1200 kg |
| Vehicle Length | 3610 mm | 4399 mm |
| Vehicle Width | 1670 mm | 1631 mm |
| Wheelbase Size | 2440 mm | 2304 mm |
| Fuel Tank Capacity | 38 L | 60 L |
