1981 Mercury Grand Marquis vs. 1990 Opel Omega
To start off, 1990 Opel Omega is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1981 Mercury Grand Marquis would be higher. At 4,186 cc (8 cylinders), 1981 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1990 Opel Omega (149 HP @ 5600 RPM) has 31 more horse power than 1981 Mercury Grand Marquis. (118 HP @ 3800 RPM) In normal driving conditions, 1990 Opel Omega should accelerate faster than 1981 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mercury Grand Marquis weights approximately 215 kg more than 1990 Opel Omega.
Let's talk about torque, 1981 Mercury Grand Marquis (262 Nm @ 2200 RPM) has 38 more torque (in Nm) than 1990 Opel Omega. (224 Nm @ 3600 RPM). This means 1981 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 1981 Mercury Grand Marquis | 1990 Opel Omega | |
| Make | Mercury | Opel |
| Model | Grand Marquis | Omega |
| Year Released | 1981 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4186 cc | 2594 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 118 HP | 149 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Torque | 262 Nm | 224 Nm |
| Torque RPM | 2200 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1680 kg | 1465 kg |
| Vehicle Length | 5400 mm | 4740 mm |
| Vehicle Width | 1980 mm | 1780 mm |
| Vehicle Height | 1390 mm | 1490 mm |
| Wheelbase Size | 2910 mm | 2740 mm |
