1999 Opel Omega vs. 1981 Pontiac Grand Safari
To start off, 1999 Opel Omega is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Pontiac Grand Safari. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Grand Safari would be higher. At 4,942 cc (8 cylinders), 1981 Pontiac Grand Safari is equipped with a bigger engine. In terms of performance, 1981 Pontiac Grand Safari (149 HP @ 4000 RPM) has 19 more horse power than 1999 Opel Omega. (130 HP @ 4500 RPM) In normal driving conditions, 1981 Pontiac Grand Safari should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Grand Safari weights approximately 945 kg more than 1999 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1981 Pontiac Grand Safari (325 Nm @ 2400 RPM) has 75 more torque (in Nm) than 1999 Opel Omega. (250 Nm @ 2200 RPM). This means 1981 Pontiac Grand Safari will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 1981 Pontiac Grand Safari | |
| Make | Opel | Pontiac |
| Model | Omega | Grand Safari |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 149 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 250 Nm | 325 Nm |
| Torque RPM | 2200 RPM | 2400 RPM |
| Engine Bore Size | 80 mm | 101.6 mm |
| Engine Stroke Size | 82.8 mm | 76.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 855 kg | 1800 kg |
| Vehicle Length | 4900 mm | 5450 mm |
| Vehicle Width | 1780 mm | 2020 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2640 mm | 2950 mm |
