2007 Chevrolet HHR vs. 2009 Citroen C4
To start off, 2009 Citroen C4 is newer by 2 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 2,397 cc (4 cylinders), 2007 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (181 HP @ 7000 RPM) has 6 more horse power than 2007 Chevrolet HHR. (175 HP @ 6200 RPM) In normal driving conditions, 2009 Citroen C4 should accelerate faster than 2007 Chevrolet HHR.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2007 Chevrolet HHR (224 Nm @ 5000 RPM) has 44 more torque (in Nm) than 2009 Citroen C4. (180 Nm @ 7000 RPM). This means 2007 Chevrolet HHR will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4. 2007 Chevrolet HHR has automatic transmission and 2009 Citroen C4 has manual transmission. 2009 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Chevrolet HHR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Chevrolet HHR | 2009 Citroen C4 | |
| Make | Chevrolet | Citroen |
| Model | HHR | C4 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2397 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 181 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 224 Nm | 180 Nm |
| Torque RPM | 5000 RPM | 7000 RPM |
| Engine Bore Size | 87.9 mm | 85 mm |
| Engine Stroke Size | 97.8 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1460 mm |
| Wheelbase Size | 2630 mm | 2610 mm |
