2002 Alfa Romeo 166 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 3 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 1,979 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (198 HP @ 5600 RPM) has 50 more horse power than 2002 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2002 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 275 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, 2005 Opel Astra (250 Nm @ 1950 RPM) has 68 more torque (in Nm) than 2002 Alfa Romeo 166. (182 Nm @ 3800 RPM). This means 2005 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 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2002 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1979 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 198 HP |
| Engine RPM | 6500 RPM | 5600 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 |
| Top Speed | 211 km/hour | 245 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1495 kg | 1770 kg |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Overall | 9.7 L/100km | 9 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
