2007 Hummer H2 vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Hummer H2. In addition, the cost of maintenance, including insurance, on 2007 Hummer H2 would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 57 more horse power than 2013 Cadillac ATS. (268 HP @ 5500 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 2013 Cadillac ATS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1373 kg more than 2013 Cadillac ATS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Cadillac ATS. In wet, icy, snow, or gravel driving conditions, 2007 Hummer H2 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, 2007 Hummer H2 (495 Nm @ 4000 RPM) has 142 more torque (in Nm) than 2013 Cadillac ATS. (353 Nm @ 5500 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2013 Cadillac ATS.
Compare all specifications:
| 2007 Hummer H2 | 2013 Cadillac ATS | |
| Make | Hummer | Cadillac |
| Model | H2 | ATS |
| Year Released | 2007 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2000 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 268 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 495 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 101.6 mm | 86 mm |
| Engine Stroke Size | 91.9 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2903 kg | 1530 kg |
| Vehicle Length | 5180 mm | 4643 mm |
| Vehicle Width | 2070 mm | 1805 mm |
| Vehicle Height | 2020 mm | 1421 mm |
| Wheelbase Size | 3120 mm | 2775 mm |
| Fuel Tank Capacity | 121 L | 61 L |
