2009 Cadillac STS vs. 2005 GMC Sierra
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP) has 2 more horse power than 2005 GMC Sierra. (300 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1228 kg more than 2009 Cadillac STS.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 GMC Sierra (488 Nm) has 119 more torque (in Nm) than 2009 Cadillac STS. (369 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2005 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | STS | Sierra |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 302 HP | 300 HP |
| Torque | 369 Nm | 488 Nm |
| Engine Compression Ratio | 3.7:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2788 kg |
| Vehicle Length | 5000 mm | 6270 mm |
| Vehicle Width | 1850 mm | 2450 mm |
| Vehicle Height | 1470 mm | 1940 mm |
| Wheelbase Size | 2960 mm | 4010 mm |
| Fuel Tank Capacity | 64 L | 129 L |
