2009 Alpina Roadster vs. 2007 Proton Arena
To start off, 2009 Alpina Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Proton Arena. In addition, the cost of maintenance, including insurance, on 2007 Proton Arena would be higher. At 3,346 cc (6 cylinders), 2009 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 210 more horse power than 2007 Proton Arena. (86 HP @ 6000 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2007 Proton Arena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina Roadster weights approximately 360 kg more than 2007 Proton Arena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Alpina Roadster 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 2009 Alpina Roadster. However, in wet, icy, snow, or gravel driving conditions, 2007 Proton Arena, 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, 2009 Alpina Roadster (362 Nm @ 4800 RPM) has 238 more torque (in Nm) than 2007 Proton Arena. (124 Nm @ 3000 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2007 Proton Arena.
Compare all specifications:
| 2009 Alpina Roadster | 2007 Proton Arena | |
| Make | Alpina | Proton |
| Model | Roadster | Arena |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1467 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 86 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 124 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 75 mm |
| Engine Stroke Size | 93.8 mm | 82 mm |
| Engine Compression Ratio | 10.2:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 265 km/hour | 155 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 13.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1035 kg |
| Vehicle Length | 4100 mm | 4460 mm |
| Vehicle Width | 1790 mm | 1500 mm |
| Vehicle Height | 1300 mm | 1720 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
| Fuel Consumption Overall | 10 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 50 L |
