2007 Cadillac STS vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 6,000 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (355 HP @ 5700 RPM) has 33 more horse power than 2007 Cadillac STS. (322 HP @ 6400 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 619 kg more than 2007 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 GMC Sierra (565 Nm @ 4300 RPM) has 138 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2013 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 | 2013 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | STS | Sierra |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 355 HP |
| Engine RPM | 6400 RPM | 5700 RPM |
| Torque | 427 Nm | 565 Nm |
| Torque RPM | 4400 RPM | 4300 RPM |
| Engine Bore Size | 93 mm | 103 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 2439 kg |
| Vehicle Length | 4990 mm | 5847 mm |
| Vehicle Width | 1850 mm | 2032 mm |
| Vehicle Height | 1470 mm | 1872 mm |
| Wheelbase Size | 2960 mm | 3645 mm |
| Fuel Consumption | 9.1 L/100km | 11.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 17.4 L/100km |
| Fuel Tank Capacity | 66 L | 98 L |
