2007 Alfa Romeo 156 vs. 2008 BMW M5
To start off, 2008 BMW M5 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 156 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW M5 (500 HP @ 7750 RPM) has 310 more horse power than 2007 Alfa Romeo 156. (190 HP @ 6300 RPM) In normal driving conditions, 2008 BMW M5 should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M5 weights approximately 350 kg more than 2007 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2008 BMW M5 will offer significantly more control. 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, 2008 BMW M5 (519 Nm @ 6100 RPM) has 301 more torque (in Nm) than 2007 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 156.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2008 BMW M5 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | M5 |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 218 Nm | 519 Nm |
| Torque RPM | 5000 RPM | 6100 RPM |
| Engine Compression Ratio | 10.3:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 4.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1405 kg | 1755 kg |
| Vehicle Length | 4450 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2890 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
