2006 Cadillac STS vs. 2005 Chevrolet Tahoe
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Tahoe. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Tahoe would be higher. At 5,359 cc (8 cylinders), 2005 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 26 more horse power than 2005 Chevrolet Tahoe. (295 HP @ 6000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2005 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Tahoe weights approximately 537 kg more than 2006 Cadillac STS.
Because 2005 Chevrolet Tahoe is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Tahoe 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, 2005 Chevrolet Tahoe (447 Nm) has 20 more torque (in Nm) than 2006 Cadillac STS. (427 Nm). This means 2005 Chevrolet Tahoe will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2005 Chevrolet Tahoe | |
| Make | Cadillac | Chevrolet |
| Model | STS | Tahoe |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 295 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 447 Nm |
| Engine Bore Size | 93 mm | 96.1 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1818 kg | 2355 kg |
| Vehicle Length | 4990 mm | 5060 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1470 mm | 1950 mm |
| Wheelbase Size | 2960 mm | 2950 mm |
| Fuel Consumption | 9.1 L/100km | 13.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 98 L |
