2005 Infiniti M vs. 2003 Proton Impian
To start off, 2005 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Proton Impian. In addition, the cost of maintenance, including insurance, on 2003 Proton Impian would be higher. At 4,494 cc (8 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (335 HP @ 6400 RPM) has 234 more horse power than 2003 Proton Impian. (101 HP @ 6000 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2003 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 535 kg more than 2003 Proton Impian. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Infiniti M is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Infiniti M. However, in wet, icy, snow, or gravel driving conditions, 2003 Proton Impian, being front wheel drive (FWD), will offer much better control with better grip. 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 Infiniti M (453 Nm @ 4000 RPM) has 313 more torque (in Nm) than 2003 Proton Impian. (140 Nm @ 2750 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton Impian.
Compare all specifications:
| 2005 Infiniti M | 2003 Proton Impian | |
| Make | Infiniti | Proton |
| Model | M | Impian |
| Year Released | 2005 | 2003 |
| Engine Size | 4494 cc | 1584 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 101 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 453 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1740 kg | 1205 kg |
| Vehicle Length | 5020 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2610 mm |
