2005 Alfa Romeo 156 vs. 1999 Vauxhall Omega
To start off, 2005 Alfa Romeo 156 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 1999 Vauxhall Omega would be higher. At 2,498 cc (6 cylinders), 1999 Vauxhall Omega is equipped with a bigger engine. In terms of performance, 1999 Vauxhall Omega (168 HP @ 6000 RPM) has 20 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 1999 Vauxhall Omega should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1999 Vauxhall Omega weights approximately 131 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Vauxhall Omega. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 will offer significantly more control. 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, 2005 Alfa Romeo 156 (310 Nm @ 2000 RPM) has 83 more torque (in Nm) than 1999 Vauxhall Omega. (227 Nm @ 3200 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1999 Vauxhall Omega.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1999 Vauxhall Omega | |
| Make | Alfa Romeo | Vauxhall |
| Model | 156 | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 168 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 310 Nm | 227 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1585 kg | 1716 kg |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
