2003 Alfa Romeo 156 vs. 2003 Proton Impian
To start off, both 2003 Alfa Romeo 156 and 2003 Proton Impian were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (173 HP @ 4000 RPM) has 72 more horse power than 2003 Proton Impian. (101 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2003 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 305 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.
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, 2003 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 245 more torque (in Nm) than 2003 Proton Impian. (140 Nm @ 2750 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton Impian.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2003 Proton Impian | |
| Make | Alfa Romeo | Proton |
| Model | 156 | Impian |
| Year Released | 2003 | 2003 |
| Engine Size | 2387 cc | 1584 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 101 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 385 Nm | 140 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1510 kg | 1205 kg |
| Vehicle Length | 4450 mm | 4470 mm |
| Vehicle Width | 1750 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
