2002 Alfa Romeo 156 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 2,387 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (189 HP @ 6300 RPM) has 41 more horse power than 2004 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 43 kg more than 2002 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, 2004 Opel Vectra (316 Nm @ 2000 RPM) has 98 more torque (in Nm) than 2002 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2004 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2002 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 148 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 218 Nm | 316 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.3 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1503 kg |
| Vehicle Length | 4450 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 11.9 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
