1981 Audi UR vs. 2006 BMW MM Roadster
To start off, 2006 BMW MM Roadster is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Audi UR. In addition, the cost of maintenance, including insurance, on 1981 Audi UR 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 133 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 1981 Audi UR.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 70 more torque (in Nm) than 1981 Audi UR. (285 Nm @ 3500 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi UR.
Compare all specifications:
| 1981 Audi UR | 2006 BMW MM Roadster | |
| Make | Audi | BMW |
| Model | UR | MM Roadster |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3245 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 330 HP |
| Engine RPM | 5500 RPM | 7900 RPM |
| Torque | 285 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Compression Ratio | 7.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4430 mm | 4120 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1310 mm |
| Wheelbase Size | 2530 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
