2002 Alfa Romeo 166 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 166 would be higher. At 1,998 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (168 HP @ 5200 RPM) has 20 more horse power than 2002 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2002 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 20 kg more than 2002 Alfa Romeo 166. 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 Opel Astra (250 Nm @ 1950 RPM) has 68 more torque (in Nm) than 2002 Alfa Romeo 166. (182 Nm @ 3800 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 166.
Compare all specifications:
| 2002 Alfa Romeo 166 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2002 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 168 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 182 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 224 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1515 kg |
| Vehicle Length | 4730 mm | 4480 mm |
| Vehicle Width | 1810 mm | 2030 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Consumption Overall | 9.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
