2004 Opel Astra vs. 2004 Alfa Romeo 166
To start off, both 2004 Opel Astra and 2004 Alfa Romeo 166 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,492 cc (6 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 166 (185 HP @ 6300 RPM) has 17 more horse power than 2004 Opel Astra. (168 HP @ 5200 RPM) In normal driving conditions, 2004 Alfa Romeo 166 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 10 kg more than 2004 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, 2004 Opel Astra (241 Nm @ 1950 RPM) has 20 more torque (in Nm) than 2004 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 2004 Opel Astra | 2004 Alfa Romeo 166 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 166 |
| Year Released | 2004 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1979 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 185 HP |
| Engine RPM | 5200 RPM | 6300 RPM |
| Torque | 241 Nm | 221 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Top Speed | 217 km/hour | 220 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1425 kg | 1435 kg |
| Vehicle Length | 4520 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1510 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Consumption | 6.9 L/100km | 8.8 L/100km |
| Fuel Consumption City | 12.9 L/100km | 17.2 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 52 L | 69 L |
