2005 BMW 645 vs. 2004 Riley MR II
To start off, 2005 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Riley MR II. In addition, the cost of maintenance, including insurance, on 2004 Riley MR II would be higher. At 7,994 cc (12 cylinders), 2004 Riley MR II is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 655 kg more than 2004 Riley MR II.
Compare all specifications:
| 2005 BMW 645 | 2004 Riley MR II | |
| Make | BMW | Riley |
| Model | 645 | MR II |
| Year Released | 2005 | 2004 |
| Engine Position | Front | Middle |
| Engine Size | 4390 cc | 7994 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | in-line |
| Horse Power | 338 HP | 0 HP |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1715 kg | 1060 kg |
| Vehicle Length | 4830 mm | 4290 mm |
| Vehicle Width | 1860 mm | 1940 mm |
| Vehicle Height | 1380 mm | 1140 mm |
| Wheelbase Size | 2790 mm | 2650 mm |
