1988 BMW M5 vs. 2006 BMW MM Roadster
To start off, 2006 BMW MM Roadster is newer by 18 year(s). Which means there will be less support and parts availability for 1988 BMW M5. In addition, the cost of maintenance, including insurance, on 1988 BMW M5 would be higher. At 3,533 cc (6 cylinders), 1988 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 19 more horse power than 1988 BMW M5. (311 HP @ 6900 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 1988 BMW M5.
Let's talk about torque, 1988 BMW M5 (360 Nm @ 4750 RPM) has 5 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 1988 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW MM Roadster.
Compare all specifications:
| 1988 BMW M5 | 2006 BMW MM Roadster | |
| Make | BMW | BMW |
| Model | M5 | MM Roadster |
| Year Released | 1988 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3533 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 311 HP | 330 HP |
| Engine RPM | 6900 RPM | 7900 RPM |
| Torque | 360 Nm | 355 Nm |
| Torque RPM | 4750 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 |
| Vehicle Length | 4730 mm | 4120 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Highway | 9.4 L/100km | 8.1 L/100km |
| Fuel Consumption City | 18.1 L/100km | 13.1 L/100km |
