2009 Cadillac STS vs. 2009 Pontiac G8
To start off, both 2009 Cadillac STS and 2009 Pontiac G8 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 6,200 cc (8 cylinders), 2009 Pontiac G8 is equipped with a bigger engine. In terms of performance, 2009 Pontiac G8 (414 HP @ 5900 RPM) has 94 more horse power than 2009 Cadillac STS. (320 HP @ 6400 RPM) In normal driving conditions, 2009 Pontiac G8 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 231 kg more than 2009 Pontiac G8.
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, 2009 Pontiac G8 (563 Nm @ 4600 RPM) has 136 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Pontiac G8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2009 Pontiac G8 | |
| Make | Cadillac | Pontiac |
| Model | STS | G8 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 6200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 414 HP |
| Engine RPM | 6400 RPM | 5900 RPM |
| Torque | 427 Nm | 563 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1329 kg |
| Vehicle Length | 5000 mm | 4990 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2920 mm |
| Fuel Consumption Overall | 13.1 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 64 L | 72 L |
