2003 Daihatsu Copen vs. 2007 Lexus IS
To start off, 2007 Lexus IS 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 2,499 cc (6 cylinders), 2007 Lexus IS is equipped with a bigger engine. In terms of performance, 2007 Lexus IS (205 HP @ 6400 RPM) has 138 more horse power than 2003 Daihatsu Copen. (67 HP @ 6000 RPM) In normal driving conditions, 2007 Lexus IS should accelerate faster than 2003 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus IS weights approximately 915 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.
Because 2007 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 2003 Daihatsu Copen. In wet, icy, snow, or gravel driving conditions, 2007 Lexus IS 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, 2007 Lexus IS (251 Nm @ 4800 RPM) has 149 more torque (in Nm) than 2003 Daihatsu Copen. (102 Nm @ 3200 RPM). This means 2007 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Copen. 2007 Lexus IS has automatic transmission and 2003 Daihatsu Copen has manual transmission. 2003 Daihatsu Copen will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Daihatsu Copen | 2007 Lexus IS | |
| Make | Daihatsu | Lexus |
| Model | Copen | IS |
| Year Released | 2003 | 2007 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 657 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 67 HP | 205 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 102 Nm | 251 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Engine Compression Ratio | 8.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 850 kg | 1765 kg |
| Vehicle Length | 3400 mm | 4580 mm |
| Vehicle Width | 1480 mm | 1810 mm |
| Vehicle Height | 1250 mm | 1430 mm |
| Wheelbase Size | 2240 mm | 2740 mm |
| Fuel Tank Capacity | 43 L | 65 L |
