2006 BMW MM Roadster vs. 2003 Opel Vectra
To start off, 2006 BMW MM Roadster is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra 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 156 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2003 Opel Vectra.
Let's talk about torque, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 15 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW MM Roadster.
Compare all specifications:
| 2006 BMW MM Roadster | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | MM Roadster | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 174 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 355 Nm | 370 Nm |
| Torque RPM | 4900 RPM | 1900 RPM |
| Engine Compression Ratio | 11.5:1 | 18.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4120 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1510 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption Highway | 8.1 L/100km | 5.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
