2007 Audi A4 vs. 2003 Daihatsu Copen
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Daihatsu Copen. In addition, the cost of maintenance, including insurance, on 2003 Daihatsu Copen would be higher. At 1,968 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (138 HP @ 4000 RPM) has 71 more horse power than 2003 Daihatsu Copen. (67 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2003 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 425 kg more than 2003 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, 2007 Audi A4 (320 Nm @ 1750 RPM) has 218 more torque (in Nm) than 2003 Daihatsu Copen. (102 Nm @ 3200 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Copen.
Compare all specifications:
| 2007 Audi A4 | 2003 Daihatsu Copen | |
| Make | Audi | Daihatsu |
| Model | A4 | Copen |
| Year Released | 2007 | 2003 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 657 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 67 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 102 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 81.1 mm | 61 mm |
| Engine Stroke Size | 95.5 mm | 56.4 mm |
| Engine Compression Ratio | 18.0:1 | 8.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 850 kg |
| Vehicle Length | 4550 mm | 3400 mm |
| Vehicle Width | 1780 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1250 mm |
| Wheelbase Size | 2660 mm | 2240 mm |
| Fuel Tank Capacity | 70 L | 43 L |
