1998 Buick Century vs. 2005 Opel Omega
To start off, 2005 Opel Omega is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Buick Century. In addition, the cost of maintenance, including insurance, on 1998 Buick Century would be higher. At 3,135 cc (6 cylinders), 1998 Buick Century is equipped with a bigger engine. In terms of performance, 1998 Buick Century (165 HP @ 5200 RPM) has 23 more horse power than 2005 Opel Omega. (142 HP @ 4000 RPM). In normal driving conditions, 1998 Buick Century should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 94 kg more than 1998 Buick Century.
Because 2005 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 2005 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1998 Buick Century, 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, 1998 Buick Century (251 Nm @ 4000 RPM) has 48 more torque (in Nm) than 2005 Opel Omega. (203 Nm @ 4000 RPM). This means 1998 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega. 1998 Buick Century has automatic transmission and 2005 Opel Omega has manual transmission. 2005 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Century will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Buick Century | 2005 Opel Omega | |
| Make | Buick | Opel |
| Model | Century | Omega |
| Year Released | 1998 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3135 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 165 HP | 142 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 251 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 86 mm |
| Engine Stroke Size | 84 mm | 94.6 mm |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1614 kg |
| Vehicle Length | 4950 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2780 mm | 2720 mm |
| Fuel Consumption Overall | 9.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 64 L | 75 L |
