2009 Chevrolet Impala vs. 2007 Opel Astra
To start off, 2009 Chevrolet Impala is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 5,670 cc (8 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (303 HP @ 5600 RPM) has 180 more horse power than 2007 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Impala weights approximately 863 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, 2009 Chevrolet Impala (438 Nm @ 4000 RPM) has 268 more torque (in Nm) than 2007 Opel Astra. (170 Nm @ 3800 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2009 Chevrolet Impala | 2007 Opel Astra | |
| Make | Chevrolet | Opel |
| Model | Impala | Astra |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5670 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 303 HP | 123 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 438 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 2141 kg | 1278 kg |
| Vehicle Length | 5100 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 11.3 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
