2004 Proton Impian vs. 2003 Toyota Prius
To start off, 2004 Proton Impian is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Toyota Prius. In addition, the cost of maintenance, including insurance, on 2003 Toyota Prius would be higher. At 1,584 cc (4 cylinders), 2004 Proton Impian is equipped with a bigger engine. In terms of performance, 2004 Proton Impian (101 HP @ 6000 RPM) has 25 more horse power than 2003 Toyota Prius. (76 HP @ 5000 RPM). In normal driving conditions, 2004 Proton Impian should accelerate faster than 2003 Toyota Prius. With that said, vehicle weight also plays an important factor in acceleration. 2003 Toyota Prius weights approximately 45 kg more than 2004 Proton Impian.
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, 2004 Proton Impian (140 Nm @ 2750 RPM) has 25 more torque (in Nm) than 2003 Toyota Prius. (115 Nm @ 4200 RPM). This means 2004 Proton Impian will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Prius. 2003 Toyota Prius has automatic transmission and 2004 Proton Impian has manual transmission. 2004 Proton Impian will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Toyota Prius will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Proton Impian | 2003 Toyota Prius | |
| Make | Proton | Toyota |
| Model | Impian | Prius |
| Year Released | 2004 | 2003 |
| Engine Size | 1584 cc | 1497 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 101 HP | 76 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 140 Nm | 115 Nm |
| Torque RPM | 2750 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1205 kg | 1250 kg |
| Vehicle Length | 4470 mm | 4450 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
