2005 Alfa Romeo 156 vs. 2003 Opel Vectra
To start off, 2005 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,198 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (152 HP @ 5600 RPM) has 34 more horse power than 2005 Alfa Romeo 156. (118 HP @ 6200 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 168 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Vectra (220 Nm @ 3800 RPM) has 74 more torque (in Nm) than 2005 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2003 Opel Vectra has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Alfa Romeo 156 | 2003 Opel Vectra | |
Make | Alfa Romeo | Opel |
Model | 156 | Vectra |
Year Released | 2005 | 2003 |
Engine Position | Front | Front |
Engine Size | 1598 cc | 2198 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 118 HP | 152 HP |
Engine RPM | 6200 RPM | 5600 RPM |
Torque | 146 Nm | 220 Nm |
Torque RPM | 4500 RPM | 3800 RPM |
Engine Bore Size | 82 mm | 86 mm |
Engine Stroke Size | 75.7 mm | 94.6 mm |
Engine Compression Ratio | 10.3:1 | 12.0:1 |
Drive Type | Front | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 5 doors |
Vehicle Weight | 1416 kg | 1584 kg |
Vehicle Length | 4450 mm | 4830 mm |
Vehicle Width | 1750 mm | 1800 mm |
Vehicle Height | 1440 mm | 1510 mm |
Wheelbase Size | 2550 mm | 2840 mm |
Fuel Consumption | 6.5 L/100km | 6.9 L/100km |
Fuel Consumption City | 11.5 L/100km | 12.1 L/100km |
Fuel Consumption Overall | 7.5 L/100km | 8.8 L/100km |
Fuel Tank Capacity | 63 L | 60 L |