2004 Buick Rainier vs. 1999 Opel Omega
To start off, 2004 Buick Rainier is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 5,665 cc (8 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (311 HP @ 5600 RPM) has 36 more horse power than 2004 Buick Rainier. (275 HP @ 5200 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2004 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 325 kg more than 1999 Opel Omega.
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, 1999 Opel Omega (459 Nm) has 72 more torque (in Nm) than 2004 Buick Rainier. (387 Nm). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Rainier.
Compare all specifications:
| 2004 Buick Rainier | 1999 Opel Omega | |
| Make | Buick | Opel |
| Model | Rainier | Omega |
| Year Released | 2004 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 5665 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 275 HP | 311 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 387 Nm | 459 Nm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2015 kg | 1690 kg |
| Vehicle Length | 4880 mm | 4900 mm |
| Vehicle Width | 1920 mm | 1790 mm |
| Vehicle Height | 1900 mm | 1510 mm |
| Wheelbase Size | 2780 mm | 2740 mm |
