2005 Buick Rendezvous vs. 1991 Opel Omega
To start off, 2005 Buick Rendezvous is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega 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 135 more horse power than 1991 Opel Omega. (110 HP @ 5200 RPM). In normal driving conditions, 2005 Buick Rendezvous should accelerate faster than 1991 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rendezvous weights approximately 536 kg more than 1991 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 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 1991 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 153 more torque (in Nm) than 1991 Opel Omega. (162 Nm). This means 2005 Buick Rendezvous will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Omega. 2005 Buick Rendezvous has automatic transmission and 1991 Opel Omega has manual transmission. 1991 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Buick Rendezvous will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Buick Rendezvous | 1991 Opel Omega | |
| Make | Buick | Opel |
| Model | Rendezvous | Omega |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 245 HP | 110 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 315 Nm | 162 Nm |
| Engine Bore Size | 94 mm | 95 mm |
| Engine Stroke Size | 86 mm | 69.8 mm |
| Engine Compression Ratio | 10.2:1 | 9.4:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1866 kg | 1330 kg |
| Vehicle Length | 4740 mm | 4740 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1760 mm | 1490 mm |
| Wheelbase Size | 2950 mm | 2740 mm |
| Fuel Tank Capacity | 68 L | 70 L |
