1991 Opel Omega vs. 1999 Riley MR II
To start off, 1999 Riley MR II is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega would be higher. At 7,996 cc (12 cylinders), 1999 Riley MR II is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Omega weights approximately 270 kg more than 1999 Riley MR II.
Compare all specifications:
| 1991 Opel Omega | 1999 Riley MR II | |
| Make | Opel | Riley |
| Model | Omega | MR II |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 1998 cc | 7996 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 1060 kg |
| Vehicle Length | 4740 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1940 mm |
| Vehicle Height | 1490 mm | 1140 mm |
| Wheelbase Size | 2740 mm | 2650 mm |
