2007 Alfa Romeo 166 vs. 2007 Opel Astra
To start off, both 2007 Alfa Romeo 166 and 2007 Opel Astra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,179 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (236 HP @ 6200 RPM) has 58 more horse power than 2007 Opel Astra. (178 HP @ 5500 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 166 weights approximately 157 kg more than 2007 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, 2007 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 59 more torque (in Nm) than 2007 Opel Astra. (230 Nm @ 1950 RPM). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Astra |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 178 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 289 Nm | 230 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 221 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1542 kg | 1385 kg |
| Vehicle Length | 4730 mm | 4300 mm |
| Vehicle Width | 1810 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 12.5 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 69 L | 52 L |
