2007 Alfa Romeo 166 vs. 2004 Opel Vectra
To start off, 2007 Alfa Romeo 166 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 2,959 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (217 HP @ 6300 RPM) has 69 more horse power than 2004 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 84 kg more than 2007 Alfa Romeo 166.
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 (370 Nm @ 1900 RPM) has 105 more torque (in Nm) than 2007 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2004 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Vectra |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 148 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 265 Nm | 370 Nm |
| Torque RPM | 5000 RPM | 1900 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Top Speed | 236 km/hour | 218 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1554 kg | 1638 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 | 7.4 L/100km |
| Fuel Tank Capacity | 69 L | 61 L |
