2009 Daihatsu Sirion vs. 1981 Mazda RX-7
To start off, 2009 Daihatsu Sirion is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1981 Mazda RX-7 would be higher. At 2,292 cc, 1981 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1981 Mazda RX-7 (104 HP @ 6000 RPM) has 2 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 1981 Mazda RX-7 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mazda RX-7 weights approximately 155 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 1981 Mazda RX-7. 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, 1981 Mazda RX-7 (145 Nm @ 4000 RPM) has 13 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 1981 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 1981 Mazda RX-7 | |
| Make | Daihatsu | Mazda |
| Model | Sirion | RX-7 |
| Year Released | 2009 | 1981 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 102 HP | 104 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 132 Nm | 145 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 185 km/hour | 188 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 905 kg | 1060 kg |
| Vehicle Length | 3640 mm | 4300 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Vehicle Height | 1560 mm | 1280 mm |
| Wheelbase Size | 2440 mm | 2430 mm |
| Fuel Tank Capacity | 40 L | 65 L |
