2005 Alfa Romeo 156 vs. 2007 BMW M3
To start off, 2007 BMW M3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,246 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 190 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2007 BMW M3 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 70 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M3. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 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, 2007 BMW M3 (366 Nm @ 4900 RPM) has 56 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2007 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 BMW M3 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | M3 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3246 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 338 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 310 Nm | 366 Nm |
| Torque RPM | 2000 RPM | 4900 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 90.4 mm | 91 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 200 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1655 kg |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 50 L | 63 L |
