2003 Alfa Romeo 156 vs. 2002 Opel Vectra
To start off, 2003 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2002 Opel Vectra would be higher. At 2,198 cc (4 cylinders), 2002 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (162 HP @ 6400 RPM) has 19 more horse power than 2002 Opel Vectra. (143 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2002 Opel Vectra.
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 Alfa Romeo 156 (207 Nm @ 3250 RPM) has 4 more torque (in Nm) than 2002 Opel Vectra. (203 Nm @ 4000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2002 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2003 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 143 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 207 Nm | 203 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 94.6 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4450 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 61 L |
