2007 Daihatsu Copen vs. 1984 Ford Sierra
To start off, 2007 Daihatsu Copen is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 1,993 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (106 HP @ 5200 RPM) has 20 more horse power than 2007 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 1984 Ford Sierra should accelerate faster than 2007 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 298 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 1984 Ford Sierra. 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, 1984 Ford Sierra (157 Nm @ 4000 RPM) has 37 more torque (in Nm) than 2007 Daihatsu Copen. (120 Nm @ 4400 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Copen.
Compare all specifications:
| 2007 Daihatsu Copen | 1984 Ford Sierra | |
| Make | Daihatsu | Ford |
| Model | Copen | Sierra |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 106 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 120 Nm | 157 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 90.8 mm |
| Engine Stroke Size | 79.7 mm | 77 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 1148 kg |
| Vehicle Length | 3400 mm | 4430 mm |
| Vehicle Width | 1480 mm | 1730 mm |
| Vehicle Height | 1250 mm | 1420 mm |
| Wheelbase Size | 2230 mm | 2610 mm |
| Fuel Tank Capacity | 40 L | 60 L |
