2008 Cadillac STS vs. 2007 GMC Sierra
To start off, 2008 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 9 more horse power than 2007 GMC Sierra. (312 HP @ 4400 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 623 kg more than 2008 Cadillac STS.
Because 2007 GMC Sierra 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, 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 (506 Nm @ 4400 RPM) has 79 more torque (in Nm) than 2008 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 2008 Cadillac STS.
Compare all specifications:
2008 Cadillac STS | 2007 GMC Sierra | |
Make | Cadillac | GMC |
Model | STS | Sierra |
Year Released | 2008 | 2007 |
Body Type | Sedan | Pickup |
Engine Position | Front | Front |
Engine Size | 4565 cc | 5999 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 321 HP | 312 HP |
Engine RPM | 6400 RPM | 4400 RPM |
Torque | 427 Nm | 506 Nm |
Torque RPM | 4400 RPM | 4400 RPM |
Engine Bore Size | 93 mm | 102 mm |
Engine Stroke Size | 84 mm | 92 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 6 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1812 kg | 2435 kg |
Vehicle Length | 4990 mm | 6580 mm |
Vehicle Width | 1850 mm | 2440 mm |
Vehicle Height | 1470 mm | 1940 mm |
Wheelbase Size | 2960 mm | 4250 mm |
Fuel Consumption Overall | 14.5 L/100km | 15.8 L/100km |
Fuel Tank Capacity | 66 L | 129 L |