2009 Cadillac STS-V vs. 2008 Chevrolet Impala
To start off, 2009 Cadillac STS-V is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2008 Chevrolet Impala would be higher. At 5,670 cc (8 cylinders), 2008 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS-V (469 HP @ 6400 RPM) has 166 more horse power than 2008 Chevrolet Impala. (303 HP @ 5600 RPM). In normal driving conditions, 2009 Cadillac STS-V should accelerate faster than 2008 Chevrolet Impala.
Because 2009 Cadillac STS-V 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 2009 Cadillac STS-V. However, in wet, icy, snow, or gravel driving conditions, 2008 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 Cadillac STS-V (595 Nm @ 3900 RPM) has 157 more torque (in Nm) than 2008 Chevrolet Impala. (438 Nm @ 4000 RPM). This means 2009 Cadillac STS-V will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Impala.
Compare all specifications:
| 2009 Cadillac STS-V | 2008 Chevrolet Impala | |
| Make | Cadillac | Chevrolet |
| Model | STS-V | Impala |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 5670 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 469 HP | 303 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 595 Nm | 438 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5030 mm | 5100 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2810 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.8 L/100km |
| Fuel Consumption City | 18.1 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
