2009 Chevrolet Impala vs. 2011 Buick Park Avenue
To start off, 2011 Buick Park Avenue is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2009 Chevrolet Impala 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 52 more horse power than 2011 Buick Park Avenue. (251 HP @ 6500 RPM). In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2011 Buick Park Avenue. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Impala weights approximately 250 kg more than 2011 Buick Park Avenue. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Buick Park Avenue is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Buick Park Avenue. However, in wet, icy, snow, or gravel driving conditions, 2009 Chevrolet Impala, being front wheel drive (FWD), will offer much better control with better grip. 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 98 more torque (in Nm) than 2011 Buick Park Avenue. (340 Nm @ 3200 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2011 Buick Park Avenue.
Compare all specifications:
| 2009 Chevrolet Impala | 2011 Buick Park Avenue | |
| Make | Chevrolet | Buick |
| Model | Impala | Park Avenue |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5670 cc | 3564 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 303 HP | 251 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 438 Nm | 340 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2141 kg | 1891 kg |
| Vehicle Length | 5100 mm | 5175 mm |
| Vehicle Width | 1860 mm | 1899 mm |
| Vehicle Height | 1500 mm | 1480 mm |
| Wheelbase Size | 2810 mm | 3009 mm |
