2007 Daihatsu Copen vs. 2005 Opel Vectra
To start off, 2007 Daihatsu Copen is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (175 HP @ 4000 RPM) has 89 more horse power than 2007 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2007 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 761 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Opel Vectra (370 Nm @ 1900 RPM) has 250 more torque (in Nm) than 2007 Daihatsu Copen. (120 Nm @ 3200 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Copen.
Compare all specifications:
| 2007 Daihatsu Copen | 2005 Opel Vectra | |
| Make | Daihatsu | Opel |
| Model | Copen | Vectra |
| Year Released | 2007 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 120 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Engine Bore Size | 72 mm | 87.6 mm |
| Engine Stroke Size | 79.7 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 9.5 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 852 kg | 1613 kg |
| Vehicle Length | 3400 mm | 4600 mm |
| Vehicle Width | 1480 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2230 mm | 2620 mm |
| Fuel Consumption Overall | 6 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 40 L | 61 L |
