2004 Alfa Romeo 156 vs. 2004 Opel Vectra
To start off, both 2004 Alfa Romeo 156 and 2004 Opel Vectra were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,387 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (189 HP @ 6300 RPM) has 66 more horse power than 2004 Opel Vectra. (123 HP @ 4000 RPM). In normal driving conditions, 2004 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 93 kg more than 2004 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 (280 Nm @ 1500 RPM) has 62 more torque (in Nm) than 2004 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 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2004 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 123 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 218 Nm | 280 Nm |
| Torque RPM | 5000 RPM | 1500 RPM |
| Engine Bore Size | 88 mm | 84 mm |
| Engine Stroke Size | 68.3 mm | 98 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 206 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1523 kg |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 61 L |
