2005 Chevrolet Impala vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala would be higher. At 3,343 cc (6 cylinders), 2005 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Impala (181 HP @ 5600 RPM) has 77 more horse power than 2008 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2005 Chevrolet Impala should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 22 kg more than 2008 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, 2005 Chevrolet Impala (278 Nm) has 128 more torque (in Nm) than 2008 Opel Astra. (150 Nm). This means 2005 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra. 2005 Chevrolet Impala has automatic transmission and 2008 Opel Astra has manual transmission. 2008 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chevrolet Impala will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Impala | 2008 Opel Astra | |
| Make | Chevrolet | Opel |
| Model | Impala | Astra |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 104 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 278 Nm | 150 Nm |
| Engine Bore Size | 91 mm | 79 mm |
| Engine Stroke Size | 84 mm | 81.5 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1537 kg | 1515 kg |
| Vehicle Length | 5090 mm | 4480 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1460 mm | 1840 mm |
| Wheelbase Size | 2880 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
