1998 Alfa Romeo 156 vs. 1998 Opel Omega
To start off, both 1998 Alfa Romeo 156 and 1998 Opel Omega were released in the same year (1998). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,996 cc (4 cylinders), 1998 Opel Omega is equipped with a bigger engine. In terms of performance, 1998 Opel Omega (114 HP @ 5400 RPM) has 10 more horse power than 1998 Alfa Romeo 156. (104 HP @ 4000 RPM) In normal driving conditions, 1998 Opel Omega should accelerate faster than 1998 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Omega weights approximately 160 kg more than 1998 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 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 1998 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1998 Alfa Romeo 156, 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 Alfa Romeo 156 (255 Nm @ 2000 RPM) has 77 more torque (in Nm) than 1998 Opel Omega. (178 Nm @ 2800 RPM). This means 1998 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Omega.
Compare all specifications:
| 1998 Alfa Romeo 156 | 1998 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Omega |
| Year Released | 1998 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 114 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 255 Nm | 178 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Engine Bore Size | 82.6 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1270 kg | 1430 kg |
| Vehicle Length | 4440 mm | 4770 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 60 L |
