2003 Alfa Romeo 156 vs. 2011 Proton Arena
To start off, 2011 Proton Arena is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 1,774 cc (4 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (138 HP @ 6200 RPM) has 52 more horse power than 2011 Proton Arena. (86 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2011 Proton Arena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 305 kg more than 2011 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, 2003 Alfa Romeo 156 (164 Nm @ 3900 RPM) has 40 more torque (in Nm) than 2011 Proton Arena. (124 Nm @ 3000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2011 Proton Arena.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2011 Proton Arena | |
| Make | Alfa Romeo | Proton |
| Model | 156 | Arena |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 1468 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 86 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 164 Nm | 124 Nm |
| Torque RPM | 3900 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 75.5 mm |
| Engine Stroke Size | 82.7 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 208 km/hour | 155 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1035 kg |
| Vehicle Length | 4440 mm | 4460 mm |
| Vehicle Width | 1750 mm | 1500 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Consumption Overall | 8.5 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 50 L |
