2007 Cadillac STS vs. 2007 GMC Sierra
To start off, both 2007 Cadillac STS and 2007 GMC Sierra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 25 more horse power than 2007 Cadillac STS. (320 HP @ 6400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2007 Cadillac STS.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 88 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2007 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | STS | Sierra |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5998 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 345 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 515 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 5850 mm |
| Vehicle Width | 1850 mm | 2000 mm |
| Vehicle Height | 1470 mm | 1910 mm |
| Wheelbase Size | 2960 mm | 3650 mm |
| Fuel Consumption | 8.7 L/100km | 14 L/100km |
| Fuel Consumption City | 13.8 L/100km | 17 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 64 L | 98 L |
