2005 Alfa Romeo 166 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 283 more horse power than 2005 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 251 kg more than 2005 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW M5 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 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 166, 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 BMW M5 (520 Nm @ 6100 RPM) has 255 more torque (in Nm) than 2005 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 166.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2009 BMW M5 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | M5 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 265 Nm | 520 Nm |
| Torque RPM | 5000 RPM | 6100 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 72.6 mm | 75.2 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 4.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1836 kg |
| Vehicle Length | 4730 mm | 4860 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2710 mm | 2900 mm |
| Fuel Consumption Overall | 13 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 72 L | 70 L |
