2009 Cadillac STS vs. 2006 Hummer H1
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Hummer H1. In addition, the cost of maintenance, including insurance, on 2006 Hummer H1 would be higher. At 6,604 cc (8 cylinders), 2006 Hummer H1 is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP) has 21 more horse power than 2006 Hummer H1. (300 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Hummer H1. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H1 weights approximately 1084 kg more than 2009 Cadillac STS.
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, 2006 Hummer H1 (705 Nm @ 1500 RPM) has 278 more torque (in Nm) than 2009 Cadillac STS. (427 Nm @ 4400 RPM). This means 2006 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2006 Hummer H1 | |
| Make | Cadillac | Hummer |
| Model | STS | H1 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 6604 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 300 HP |
| Torque | 427 Nm | 705 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 103.1 mm |
| Engine Stroke Size | 84 mm | 99.1 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 2904 kg |
| Vehicle Length | 4990 mm | 4690 mm |
| Vehicle Width | 1850 mm | 2200 mm |
| Vehicle Height | 1470 mm | 1960 mm |
| Wheelbase Size | 2960 mm | 3310 mm |
| Fuel Consumption Overall | 16.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 66 L | 195 L |
