2005 Alfa Romeo 166 vs. 2002 Opel Vectra
To start off, 2005 Alfa Romeo 166 is newer by 3 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 3,175 cc (6 cylinders), 2002 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (217 HP @ 6300 RPM) has 9 more horse power than 2002 Opel Vectra. (208 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 105 kg more than 2002 Opel Vectra. 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, 2002 Opel Vectra (300 Nm @ 3800 RPM) has 35 more torque (in Nm) than 2005 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2002 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 166.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2002 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Vectra |
| Year Released | 2005 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 208 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 300 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 236 km/hour | 241 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1480 kg |
| Vehicle Length | 4730 mm | 4600 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 13 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 72 L | 52 L |
