2006 Alfa Romeo 156 vs. 2007 BMW M6
To start off, 2007 BMW M6 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 351 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 RPM) In normal driving conditions, 2007 BMW M6 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 355 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW M6 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 2007 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156, 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, 2007 BMW M6 (519 Nm @ 6100 RPM) has 338 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2006 Alfa Romeo 156 has automatic transmission and 2007 BMW M6 has manual transmission. 2007 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2007 BMW M6 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | M6 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 181 Nm | 519 Nm |
| Torque RPM | 3800 RPM | 6100 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 91 mm | 75.2 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 214 km/hour | 249 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1940 kg |
| Vehicle Length | 4440 mm | 4880 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Consumption Overall | 8.7 L/100km | 17 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
