1991 Buick Riviera vs. 2004 Vauxhall Omega
To start off, 2004 Vauxhall Omega is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Buick Riviera (170 HP @ 4800 RPM) has 28 more horse power than 2004 Vauxhall Omega. (142 HP @ 5400 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2004 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Vauxhall Omega weights approximately 145 kg more than 1991 Buick Riviera.
Because 2004 Vauxhall 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 2004 Vauxhall Omega. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, 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, 1991 Buick Riviera (285 Nm @ 3200 RPM) has 76 more torque (in Nm) than 2004 Vauxhall Omega. (209 Nm @ 4000 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2004 Vauxhall Omega.
Compare all specifications:
| 1991 Buick Riviera | 2004 Vauxhall Omega | |
| Make | Buick | Vauxhall |
| Model | Riviera | Omega |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 142 HP |
| Engine RPM | 4800 RPM | 5400 RPM |
| Torque | 285 Nm | 209 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1520 kg | 1665 kg |
| Vehicle Length | 5040 mm | 4900 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1350 mm | 1510 mm |
| Wheelbase Size | 2760 mm | 2740 mm |
