2005 Alfa Romeo 156 vs. 2004 Proton Arena
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Proton Arena. In addition, the cost of maintenance, including insurance, on 2004 Proton Arena would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 95 more horse power than 2004 Proton Arena. (90 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2004 Proton Arena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 425 kg more than 2004 Proton Arena. 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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 96 more torque (in Nm) than 2004 Proton Arena. (126 Nm @ 3000 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Proton Arena.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2004 Proton Arena | |
| Make | Alfa Romeo | Proton |
| Model | 156 | Arena |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1468 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 185 HP | 90 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 222 Nm | 126 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1065 kg |
| Vehicle Length | 4450 mm | 4460 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1600 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
