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 4,194 cc (6 cylinders), 2004 Buick Rainier is equipped with a bigger engine. In terms of performance, 2004 Buick Rainier (271 HP @ 6000 RPM) has 129 more horse power than 1999 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2004 Buick Rainier should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 430 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.
Because 2004 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Buick Rainier (373 Nm @ 3600 RPM) has 163 more torque (in Nm) than 1999 Opel Omega. (210 Nm @ 4000 RPM). This means 2004 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega. 2004 Buick Rainier has automatic transmission and 1999 Opel Omega has manual transmission. 1999 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Buick Rainier | 1999 Opel Omega | |
| Make | Buick | Opel |
| Model | Rainier | Omega |
| Year Released | 2004 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 4194 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 142 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 373 Nm | 210 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 102 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2095 kg | 1665 kg |
| Vehicle Length | 4920 mm | 4900 mm |
| Vehicle Width | 1920 mm | 1790 mm |
| Vehicle Height | 1900 mm | 1510 mm |
| Wheelbase Size | 2800 mm | 2740 mm |
| Fuel Tank Capacity | 83 L | 75 L |
