2007 Daihatsu Copen vs. 1973 Mazda RX-4
To start off, 2007 Daihatsu Copen is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mazda RX-4. In addition, the cost of maintenance, including insurance, on 1973 Mazda RX-4 would be higher. At 2,616 cc, 1973 Mazda RX-4 is equipped with a bigger engine. In terms of performance, 1973 Mazda RX-4 (114 HP @ 6000 RPM) has 28 more horse power than 2007 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 1973 Mazda RX-4 should accelerate faster than 2007 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mazda RX-4 weights approximately 260 kg more than 2007 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Daihatsu Copen is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mazda RX-4. In wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Copen 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, 1973 Mazda RX-4 (165 Nm @ 4000 RPM) has 45 more torque (in Nm) than 2007 Daihatsu Copen. (120 Nm @ 4400 RPM). This means 1973 Mazda RX-4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Copen.
Compare all specifications:
| 2007 Daihatsu Copen | 1973 Mazda RX-4 | |
| Make | Daihatsu | Mazda |
| Model | Copen | RX-4 |
| Year Released | 2007 | 1973 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 86 HP | 114 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 165 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 850 kg | 1110 kg |
| Vehicle Length | 3400 mm | 4400 mm |
| Vehicle Width | 1480 mm | 1670 mm |
| Vehicle Height | 1250 mm | 1390 mm |
| Wheelbase Size | 2230 mm | 2520 mm |
