2010 Opel Astra vs. 2011 Alfa Romeo Giulietta
To start off, 2011 Alfa Romeo Giulietta is newer by 1 year(s). Which means there will be less support and parts availability for 2010 Opel Astra. In addition, the cost of maintenance, including insurance, on 2010 Opel Astra 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 (197 HP @ 5400 RPM) has 29 more horse power than 2011 Alfa Romeo Giulietta. (168 HP @ 4000 RPM). In normal driving conditions, 2010 Opel Astra should accelerate faster than 2011 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2010 Opel Astra weights approximately 270 kg more than 2011 Alfa Romeo Giulietta. 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, 2011 Alfa Romeo Giulietta (350 Nm @ 1750 RPM) has 88 more torque (in Nm) than 2010 Opel Astra. (262 Nm @ 1950 RPM). This means 2011 Alfa Romeo Giulietta will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Astra.
Compare all specifications:
| 2010 Opel Astra | 2011 Alfa Romeo Giulietta | |
| Make | Opel | Alfa Romeo |
| Model | Astra | Giulietta |
| Year Released | 2010 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1956 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 168 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 262 Nm | 350 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 234 km/hour | 218 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1625 kg | 1355 kg |
| Vehicle Length | 4300 mm | 4351 mm |
| Vehicle Width | 1760 mm | 1798 mm |
| Vehicle Height | 1440 mm | 1465 mm |
| Wheelbase Size | 2620 mm | 2634 mm |
| Fuel Consumption Overall | 9.3 L/100km | 4.5 L/100km |
