1997 Alfa Romeo 156 vs. 2002 Opel Vectra
To start off, 2002 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 1997 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 156 (187 HP @ 6300 RPM) has 87 more horse power than 2002 Opel Vectra. (100 HP @ 6200 RPM). In normal driving conditions, 1997 Alfa Romeo 156 should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Vectra weights approximately 20 kg more than 1997 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, 1997 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 72 more torque (in Nm) than 2002 Opel Vectra. (150 Nm @ 3200 RPM). This means 1997 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 1997 Alfa Romeo 156 | 2002 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 1997 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 100 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 222 Nm | 150 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Engine Bore Size | 88 mm | 79 mm |
| Engine Stroke Size | 68.3 mm | 81.5 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1320 kg | 1340 kg |
| Vehicle Length | 4440 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
