2008 Alfa Romeo Brera vs. 2005 BMW 645
To start off, 2008 Alfa Romeo Brera is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 245 kg more than 2008 Alfa Romeo Brera.
Because 2005 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 2005 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 Alfa Romeo Brera, 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 209 more torque (in Nm) than 2008 Alfa Romeo Brera. (230 Nm @ 4500 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo Brera.
Compare all specifications:
| 2008 Alfa Romeo Brera | 2005 BMW 645 | |
| Make | Alfa Romeo | BMW |
| Model | Brera | 645 |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 4390 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 338 HP |
| Torque | 230 Nm | 439 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 94.6 mm | 83 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 222 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 5.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1715 kg |
| Vehicle Length | 4420 mm | 4830 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2530 mm | 2790 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
