1992 Daihatsu Rocky vs. 1990 Opel Omega
To start off, 1992 Daihatsu Rocky is newer by 2 year(s). Which means there will be less support and parts availability for 1990 Opel Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Omega would be higher. At 2,765 cc (4 cylinders), 1992 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1990 Opel Omega (149 HP @ 5600 RPM) has 77 more horse power than 1992 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 1990 Opel Omega should accelerate faster than 1992 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1992 Daihatsu Rocky weights approximately 95 kg more than 1990 Opel Omega.
Let's talk about torque, 1990 Opel Omega (224 Nm @ 3600 RPM) has 54 more torque (in Nm) than 1992 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 1990 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1992 Daihatsu Rocky.
Compare all specifications:
| 1992 Daihatsu Rocky | 1990 Opel Omega | |
| Make | Daihatsu | Opel |
| Model | Rocky | Omega |
| Year Released | 1992 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 2594 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 149 HP |
| Engine RPM | 3600 RPM | 5600 RPM |
| Torque | 170 Nm | 224 Nm |
| Torque RPM | 2200 RPM | 3600 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1560 kg | 1465 kg |
| Vehicle Length | 4110 mm | 4740 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1920 mm | 1490 mm |
| Wheelbase Size | 2540 mm | 2740 mm |
