2006 Alfa Romeo 166 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 166 would be higher. At 1,970 cc (4 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 166 (148 HP @ 6500 RPM) has 28 more horse power than 2007 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 166 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 5 kg more than 2007 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, 2006 Alfa Romeo 166 (181 Nm @ 3800 RPM) has 14 more torque (in Nm) than 2007 Opel Vectra. (167 Nm @ 3800 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2007 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Vectra |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 181 Nm | 167 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.5 mm |
| Engine Stroke Size | 91 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 199 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 12.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1490 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 9.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 69 L | 60 L |
