2002 Alfa Romeo 147 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 147 would be higher. At 3,175 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP @ 6200 RPM) has 95 more horse power than 2002 Alfa Romeo 147. (113 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2002 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 178 kg more than 2002 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Opel Vectra (300 Nm @ 4000 RPM) has 25 more torque (in Nm) than 2002 Alfa Romeo 147. (275 Nm @ 2000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 147.
Compare all specifications:
| 2002 Alfa Romeo 147 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Vectra |
| Year Released | 2002 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 275 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 87.5 mm |
| Engine Stroke Size | 90.4 mm | 88 mm |
| Engine Compression Ratio | 18.4:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.3 seconds | 7.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1523 kg |
| Vehicle Length | 4180 mm | 4600 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Consumption Overall | 5.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
