1998 Alfa Romeo 166 vs. 2004 Opel Omega
To start off, 2004 Opel Omega is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 2,198 cc (4 cylinders), 2004 Opel Omega is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 166 (155 HP @ 6400 RPM) has 13 more horse power than 2004 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 1998 Alfa Romeo 166 should accelerate faster than 2004 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Omega weights approximately 238 kg more than 1998 Alfa Romeo 166.
Because 2004 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 2004 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1998 Alfa Romeo 166, 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, 2004 Opel Omega (209 Nm @ 4000 RPM) has 22 more torque (in Nm) than 1998 Alfa Romeo 166. (187 Nm @ 2800 RPM). This means 2004 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2004 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Omega |
| Year Released | 1998 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 142 HP |
| Engine RPM | 6400 RPM | 5400 RPM |
| Torque | 187 Nm | 209 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 83.1 mm | 86 mm |
| Engine Stroke Size | 91 mm | 94.6 mm |
| Acceleration 0-100mph | 9.6 seconds | 10.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1733 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Tank Capacity | 72 L | 75 L |
