2004 Alfa Romeo 156 vs. 2006 BMW MM Roadster
To start off, 2006 BMW MM Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 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 217 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2004 Alfa Romeo 156.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 80 more torque (in Nm) than 2004 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2006 BMW MM Roadster | |
| Make | Alfa Romeo | BMW |
| Model | 156 | MM Roadster |
| Year Released | 2004 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 330 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 275 Nm | 355 Nm |
| Torque RPM | 2000 RPM | 4900 RPM |
| Engine Compression Ratio | 18.4:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4440 mm | 4120 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2550 mm | 2500 mm |
| Fuel Tank Capacity | 63 L | 55 L |
