2008 Cadillac STS vs. 2009 Chevrolet Tahoe
To start off, 2009 Chevrolet Tahoe is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 5,300 cc (8 cylinders), 2009 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 1 more horse power than 2009 Chevrolet Tahoe. (320 HP @ 5200 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2009 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Tahoe weights approximately 388 kg more than 2008 Cadillac STS.
Because 2009 Chevrolet Tahoe is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Chevrolet Tahoe (462 Nm @ 4200 RPM) has 35 more torque (in Nm) than 2008 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Chevrolet Tahoe will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
| 2008 Cadillac STS | 2009 Chevrolet Tahoe | |
| Make | Cadillac | Chevrolet |
| Model | STS | Tahoe |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| 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 | 320 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 462 Nm |
| Torque RPM | 4400 RPM | 4200 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1812 kg | 2200 kg |
| Vehicle Length | 4990 mm | 5140 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1470 mm | 1960 mm |
| Wheelbase Size | 2960 mm | 2950 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 | 14.5 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 98 L |
