2007 Chevrolet HHR vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Chevrolet HHR. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet HHR would be higher. At 6,200 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (403 HP @ 5700 RPM) has 228 more horse power than 2007 Chevrolet HHR. (175 HP @ 6200 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2007 Chevrolet HHR.
Because 2010 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2010 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2007 Chevrolet HHR, being front wheel drive (FWD), will offer much better control with better grip. 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, 2010 GMC Sierra (565 Nm @ 4300 RPM) has 341 more torque (in Nm) than 2007 Chevrolet HHR. (224 Nm @ 5000 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2007 Chevrolet HHR | 2010 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | HHR | Sierra |
| Year Released | 2007 | 2010 |
| Body Type | Hatchback | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2397 cc | 6200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 175 HP | 403 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 224 Nm | 565 Nm |
| Torque RPM | 5000 RPM | 4300 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 4440 mm | 5839 mm |
| Vehicle Width | 1740 mm | 2032 mm |
| Vehicle Height | 1570 mm | 1875 mm |
| Wheelbase Size | 2630 mm | 3645 mm |
