2009 Chevrolet Impala vs. 2005 Chevrolet Alero
To start off, 2009 Chevrolet Impala is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Alero. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Alero would be higher. At 3,900 cc (6 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (234 HP @ 5600 RPM) has 94 more horse power than 2005 Chevrolet Alero. (140 HP @ 5800 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2005 Chevrolet Alero.
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 (325 Nm @ 4000 RPM) has 126 more torque (in Nm) than 2005 Chevrolet Alero. (199 Nm @ 4200 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Alero.
Compare all specifications:
| 2009 Chevrolet Impala | 2005 Chevrolet Alero | |
| Make | Chevrolet | Chevrolet |
| Model | Impala | Alero |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3900 cc | 2392 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 234 HP | 140 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 325 Nm | 199 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5100 mm | 4750 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
