2005 Cadillac STS vs. 2008 Chevrolet Avalanche
To start off, 2008 Chevrolet Avalanche is newer by 3 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), 2008 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Avalanche (320 HP @ 5200 RPM) has 65 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2008 Chevrolet Avalanche should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Chevrolet Avalanche weights approximately 406 kg more than 2005 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 Chevrolet Avalanche will offer significantly more control. 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 Avalanche (461 Nm @ 4200 RPM) has 122 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2008 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 | 2008 Chevrolet Avalanche | |
| Make | Cadillac | Chevrolet |
| Model | STS | Avalanche |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 5300 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 320 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 339 Nm | 461 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1796 kg | 2202 kg |
| Vehicle Length | 4990 mm | 5630 mm |
| Vehicle Width | 1850 mm | 2020 mm |
| Vehicle Height | 1470 mm | 1950 mm |
| Wheelbase Size | 2890 mm | 3310 mm |
| Fuel Consumption | 9.8 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 117 L |
