1999 Opel Omega vs. 1999 Alfa Romeo 156
To start off, both 1999 Opel Omega and 1999 Alfa Romeo 156 were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,386 cc (5 cylinders), 1999 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (142 HP @ 5400 RPM) has 6 more horse power than 1999 Alfa Romeo 156. (136 HP @ 4200 RPM). In normal driving conditions, 1999 Opel Omega should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 315 kg more than 1999 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 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 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Alfa Romeo 156 (304 Nm @ 2000 RPM) has 94 more torque (in Nm) than 1999 Opel Omega. (210 Nm @ 4000 RPM). This means 1999 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 1999 Alfa Romeo 156 | |
| Make | Opel | Alfa Romeo |
| Model | Omega | 156 |
| Year Released | 1999 | 1999 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 2386 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 142 HP | 136 HP |
| Engine RPM | 5400 RPM | 4200 RPM |
| Torque | 210 Nm | 304 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 82 mm |
| Engine Stroke Size | 94.6 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1665 kg | 1350 kg |
| Vehicle Length | 4900 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1510 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2600 mm |
| Fuel Tank Capacity | 75 L | 63 L |
