2005 Alfa Romeo 166 vs. 2005 Opel Astra
To start off, both 2005 Alfa Romeo 166 and 2005 Opel Astra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (237 HP @ 6200 RPM) has 92 more horse power than 2005 Opel Astra. (145 HP @ 5800 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 434 kg more than 2005 Opel Astra. 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 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 86 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 145 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 289 Nm | 203 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 214 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1181 kg |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 12.5 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 72 L | 52 L |
