2008 Cadillac STS vs. 2006 Hummer H3
To start off, 2008 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Hummer H3. In addition, the cost of maintenance, including insurance, on 2006 Hummer H3 would be higher. At 4,376 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (469 HP @ 6400 RPM) has 249 more horse power than 2006 Hummer H3. (220 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2006 Hummer H3.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 Cadillac STS (595 Nm @ 3900 RPM) has 290 more torque (in Nm) than 2006 Hummer H3. (305 Nm @ 2800 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Hummer H3.
Compare all specifications:
| 2008 Cadillac STS | 2006 Hummer H3 | |
| Make | Cadillac | Hummer |
| Model | STS | H3 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 469 HP | 220 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 595 Nm | 305 Nm |
| Torque RPM | 3900 RPM | 2800 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5030 mm | 4830 mm |
| Vehicle Width | 1850 mm | 2180 mm |
| Vehicle Height | 1480 mm | 2020 mm |
| Wheelbase Size | 2960 mm | 3120 mm |
| Fuel Tank Capacity | 64 L | 159 L |
