2005 Cadillac STS vs. 2009 Chevrolet Avalanche
To start off, 2009 Chevrolet Avalanche is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 5,300 cc (8 cylinders), 2009 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (321 HP @ 6400 RPM) has 11 more horse power than 2009 Chevrolet Avalanche. (310 HP @ 5200 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2009 Chevrolet Avalanche. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 556 kg more than 2009 Chevrolet Avalanche. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 Avalanche (454 Nm @ 4400 RPM) has 27 more torque (in Nm) than 2005 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2009 Chevrolet Avalanche | |
| Make | Cadillac | Chevrolet |
| Model | STS | Avalanche |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 310 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 454 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1817 kg | 1261 kg |
| Vehicle Length | 4990 mm | 5630 mm |
| Vehicle Width | 1850 mm | 2020 mm |
| Vehicle Height | 1470 mm | 1950 mm |
| Wheelbase Size | 2960 mm | 3310 mm |
| Fuel Consumption | 9.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 117 L |
