2006 BMW MM Roadster vs. 2007 Cadillac XLR
To start off, 2007 Cadillac XLR is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW MM Roadster. In addition, the cost of maintenance, including insurance, on 2006 BMW MM Roadster would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 10 more horse power than 2007 Cadillac XLR. (320 HP @ 6400 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2007 Cadillac XLR.
Let's talk about torque, 2007 Cadillac XLR (420 Nm @ 4400 RPM) has 65 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2007 Cadillac XLR 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 | 2007 Cadillac XLR | |
| Make | BMW | Cadillac |
| Model | MM Roadster | XLR |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 320 HP |
| Engine RPM | 7900 RPM | 6400 RPM |
| Torque | 355 Nm | 420 Nm |
| Torque RPM | 4900 RPM | 4400 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4120 mm | 4520 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1290 mm |
| Wheelbase Size | 2500 mm | 2690 mm |
| Fuel Tank Capacity | 55 L | 68 L |
