2007 Cadillac STS vs. 2008 Chevrolet Impala
To start off, 2008 Chevrolet Impala is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 5,670 cc (8 cylinders), 2008 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (321 HP @ 6400 RPM) has 18 more horse power than 2008 Chevrolet Impala. (303 HP @ 5600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2008 Chevrolet Impala.
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, 2008 Chevrolet Impala (438 Nm @ 4000 RPM) has 11 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2008 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2008 Chevrolet Impala | |
| Make | Cadillac | Chevrolet |
| Model | STS | Impala |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5670 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 303 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 438 Nm |
| Torque RPM | 4400 RPM | 4000 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 | 4990 mm | 5100 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2960 mm | 2810 mm |
| Fuel Consumption | 8.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
