2006 Opel Vectra vs. 1999 Alfa Romeo 166
To start off, 2006 Opel Vectra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 1999 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1999 Alfa Romeo 166 (226 HP @ 6200 RPM) has 106 more horse power than 2006 Opel Vectra. (120 HP @ 6000 RPM) In normal driving conditions, 1999 Alfa Romeo 166 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Alfa Romeo 166 weights approximately 135 kg more than 2006 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, 1999 Alfa Romeo 166 (275 Nm @ 5000 RPM) has 107 more torque (in Nm) than 2006 Opel Vectra. (168 Nm @ 3800 RPM). This means 1999 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra.
Compare all specifications:
| 2006 Opel Vectra | 1999 Alfa Romeo 166 | |
| Make | Opel | Alfa Romeo |
| Model | Vectra | 166 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2959 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 226 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 168 Nm | 275 Nm |
| Torque RPM | 3800 RPM | 5000 RPM |
| Engine Bore Size | 80.5 mm | 93 mm |
| Engine Stroke Size | 88.2 mm | 72.6 mm |
| Top Speed | 205 km/hour | 243 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 7.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1375 kg | 1510 kg |
| Vehicle Length | 4600 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Tank Capacity | 61 L | 72 L |
