2006 BMW MM Roadster vs. 1992 BMW 540
To start off, 2006 BMW MM Roadster is newer by 14 year(s). Which means there will be less support and parts availability for 1992 BMW 540. In addition, the cost of maintenance, including insurance, on 1992 BMW 540 would be higher. At 3,982 cc (8 cylinders), 1992 BMW 540 is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 48 more horse power than 1992 BMW 540. (282 HP @ 5800 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 1992 BMW 540.
Let's talk about torque, 1992 BMW 540 (400 Nm @ 4500 RPM) has 45 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 1992 BMW 540 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 | 1992 BMW 540 | |
| Make | BMW | BMW |
| Model | MM Roadster | 540 |
| Year Released | 2006 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 3982 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 282 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 355 Nm | 400 Nm |
| Torque RPM | 4900 RPM | 4500 RPM |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4120 mm | 4730 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption | 8.1 L/100km | 9.6 L/100km |
| Fuel Consumption City | 13.1 L/100km | 17.2 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
