2004 BMW 645 vs. 2008 Proton Arena
To start off, 2008 Proton Arena is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 780 kg more than 2008 Proton Arena.
Because 2004 BMW 645 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2004 BMW 645 (451 Nm @ 3600 RPM) has 327 more torque (in Nm) than 2008 Proton Arena. (124 Nm @ 3000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Proton Arena.
Compare all specifications:
| 2004 BMW 645 | 2008 Proton Arena | |
| Make | BMW | Proton |
| Model | 645 | Arena |
| Year Released | 2004 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1468 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 0 HP |
| Torque | 451 Nm | 124 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 75.1 mm |
| Engine Stroke Size | 82.7 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.1 seconds | 13.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1035 kg |
| Vehicle Length | 4830 mm | 4460 mm |
| Vehicle Height | 1380 mm | 1720 mm |
| Wheelbase Size | 2790 mm | 2610 mm |
| Fuel Consumption Overall | 12.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 50 L |
