2008 Cadillac DTS vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac DTS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac DTS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac DTS (292 HP @ 6300 RPM) has 49 more horse power than 2009 Hummer H3. (243 HP @ 5600 RPM). In normal driving conditions, 2008 Cadillac DTS should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 593 kg more than 2008 Cadillac DTS.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac DTS. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 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, 2008 Cadillac DTS (391 Nm @ 4500 RPM) has 63 more torque (in Nm) than 2009 Hummer H3. (328 Nm @ 4600 RPM). This means 2008 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3.
Compare all specifications:
| 2008 Cadillac DTS | 2009 Hummer H3 | |
| Make | Cadillac | Hummer |
| Model | DTS | H3 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3653 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 292 HP | 243 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 391 Nm | 328 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 95.5 mm |
| Engine Stroke Size | 84 mm | 102 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1638 kg | 2231 kg |
| Vehicle Length | 5280 mm | 4790 mm |
| Vehicle Width | 1910 mm | 1900 mm |
| Vehicle Height | 1470 mm | 2000 mm |
| Wheelbase Size | 2940 mm | 2850 mm |
| Fuel Consumption Overall | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 68 L | 87 L |
