2005 Buick Rendezvous vs. 2008 Opel Omega
To start off, 2008 Opel Omega is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Buick Rendezvous. In addition, the cost of maintenance, including insurance, on 2005 Buick Rendezvous would be higher. At 3,556 cc (6 cylinders), 2005 Buick Rendezvous is equipped with a bigger engine. In terms of performance, 2005 Buick Rendezvous (245 HP @ 5200 RPM) has 68 more horse power than 2008 Opel Omega. (177 HP @ 3400 RPM). In normal driving conditions, 2005 Buick Rendezvous should accelerate faster than 2008 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rendezvous weights approximately 181 kg more than 2008 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2005 Buick Rendezvous, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Buick Rendezvous (315 Nm) has 74 more torque (in Nm) than 2008 Opel Omega. (241 Nm). This means 2005 Buick Rendezvous will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Omega.
Compare all specifications:
| 2005 Buick Rendezvous | 2008 Opel Omega | |
| Make | Buick | Opel |
| Model | Rendezvous | Omega |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 245 HP | 177 HP |
| Engine RPM | 5200 RPM | 3400 RPM |
| Torque | 315 Nm | 241 Nm |
| Engine Bore Size | 94 mm | 83.2 mm |
| Engine Stroke Size | 86 mm | 79.6 mm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1866 kg | 1685 kg |
| Wheelbase Size | 2950 mm | 2740 mm |
| Fuel Consumption Overall | 11.4 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 68 L | 75 L |
