2004 Alfa Romeo 156 vs. 2005 Opel Omega
To start off, 2005 Opel Omega is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 2,597 cc (6 cylinders), 2005 Opel Omega is equipped with a bigger engine. In terms of performance, 2005 Opel Omega (178 HP @ 3400 RPM) has 40 more horse power than 2004 Alfa Romeo 156. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Omega should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 255 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 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, 2004 Alfa Romeo 156 (305 Nm @ 2000 RPM) has 65 more torque (in Nm) than 2005 Opel Omega. (240 Nm @ 3400 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega. 2005 Opel Omega has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
2004 Alfa Romeo 156 | 2005 Opel Omega | |
Make | Alfa Romeo | Opel |
Model | 156 | Omega |
Year Released | 2004 | 2005 |
Engine Position | Front | Front |
Engine Size | 1910 cc | 2597 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 138 HP | 178 HP |
Engine RPM | 4000 RPM | 3400 RPM |
Torque | 305 Nm | 240 Nm |
Torque RPM | 2000 RPM | 3400 RPM |
Engine Bore Size | 82.1 mm | 83.2 mm |
Engine Stroke Size | 90.4 mm | 79.6 mm |
Engine Compression Ratio | 18.4:1 | 10.0:1 |
Acceleration 0-100mph | 9.7 seconds | 9.5 seconds |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1430 kg | 1685 kg |
Vehicle Length | 4450 mm | 4900 mm |
Vehicle Width | 1750 mm | 1780 mm |
Vehicle Height | 1400 mm | 1460 mm |
Wheelbase Size | 2710 mm | 2520 mm |
Fuel Consumption Overall | 6.1 L/100km | 10.6 L/100km |
Fuel Tank Capacity | 63 L | 75 L |