2006 BMW MM Roadster vs. 1980 BMW 628
To start off, 2006 BMW MM Roadster is newer by 26 year(s). Which means there will be less support and parts availability for 1980 BMW 628. In addition, the cost of maintenance, including insurance, on 1980 BMW 628 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 149 more horse power than 1980 BMW 628. (181 HP @ 5800 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 1980 BMW 628.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 115 more torque (in Nm) than 1980 BMW 628. (240 Nm @ 4200 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW 628.
Compare all specifications:
| 2006 BMW MM Roadster | 1980 BMW 628 | |
| Make | BMW | BMW |
| Model | MM Roadster | 628 |
| Year Released | 2006 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 2786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 330 HP | 181 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 355 Nm | 240 Nm |
| Torque RPM | 4900 RPM | 4200 RPM |
| Engine Compression Ratio | 11.5:1 | 9.3:1 |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4120 mm | 4760 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2640 mm |
| Fuel Tank Capacity | 55 L | 70 L |
