2005 Alfa Romeo 156 vs. 2006 BMW MM Roadster
To start off, 2006 BMW MM Roadster is newer by 1 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 3,245 cc (6 cylinders), 2006 BMW MM Roadster is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 157 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2005 Alfa Romeo 156.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 168 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2006 BMW MM Roadster 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 | 2006 BMW MM Roadster | |
| Make | Alfa Romeo | BMW |
| Model | 156 | MM Roadster |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 330 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 187 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Compression Ratio | 10.0:1 | 11.5:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Wheelbase Size | 2710 mm | 2500 mm |
| Fuel Tank Capacity | 63 L | 55 L |
