2010 Opel Astra vs. 2008 Alfa Romeo 156
To start off, 2010 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 156 would be higher. At 1,998 cc (4 cylinders), 2010 Opel Astra is equipped with a bigger engine. In terms of performance, 2010 Opel Astra (239 HP @ 5600 RPM) has 91 more horse power than 2008 Alfa Romeo 156. (148 HP @ 6300 RPM). In normal driving conditions, 2010 Opel Astra should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 Opel Astra weights approximately 108 kg more than 2008 Alfa Romeo 156. 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, 2010 Opel Astra (320 Nm @ 2400 RPM) has 138 more torque (in Nm) than 2008 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 2010 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156.
Compare all specifications:
| 2010 Opel Astra | 2008 Alfa Romeo 156 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 156 |
| Year Released | 2010 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 239 HP | 148 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 320 Nm | 182 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 86 mm | 91 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 244 km/hour | 214 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 8.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1393 kg | 1285 kg |
| Vehicle Length | 4300 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1750 mm |
| Vehicle Height | 1410 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
| Fuel Consumption Overall | 9.2 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 52 L | 63 L |
