2005 Buick Rainier vs. 2000 Opel Omega
To start off, 2005 Buick Rainier is newer by 5 year(s). Which means there will be less support and parts availability for 2000 Opel Omega. In addition, the cost of maintenance, including insurance, on 2000 Opel Omega would be higher. At 5,666 cc (8 cylinders), 2000 Opel Omega is equipped with a bigger engine. In terms of performance, 2000 Opel Omega (305 HP @ 5600 RPM) has 30 more horse power than 2005 Buick Rainier. (275 HP @ 5200 RPM) In normal driving conditions, 2000 Opel Omega should accelerate faster than 2005 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 777 kg more than 2000 Opel Omega.
Because 2005 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2000 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2005 Buick Rainier will offer significantly more control. 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, 2000 Opel Omega (450 Nm) has 76 more torque (in Nm) than 2005 Buick Rainier. (374 Nm). This means 2000 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Rainier.
Compare all specifications:
| 2005 Buick Rainier | 2000 Opel Omega | |
| Make | Buick | Opel |
| Model | Rainier | Omega |
| Year Released | 2005 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5666 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 275 HP | 305 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 374 Nm | 450 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2087 kg | 1310 kg |
| Wheelbase Size | 2740 mm | 2620 mm |
| Fuel Tank Capacity | 83 L | 52 L |
