2003 Alfa Romeo 156 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 1,910 cc (4 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, both vehicles can yield 118 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 253 kg more than 2003 Alfa Romeo 156.
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, 2008 Opel Vectra (280 Nm @ 2000 RPM) has 134 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 2008 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2008 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2003 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 118 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 146 Nm | 280 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 75.7 mm | 90.4 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1503 kg |
| Vehicle Length | 4450 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 8.6 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
