2009 Chevrolet HHR vs. 2007 Opel Astra
To start off, 2009 Chevrolet HHR is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 2,201 cc (4 cylinders), 2009 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (168 HP @ 5200 RPM) has 13 more horse power than 2009 Chevrolet HHR. (155 HP @ 6100 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2009 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 119 kg more than 2009 Chevrolet HHR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Opel Astra (251 Nm @ 1950 RPM) has 48 more torque (in Nm) than 2009 Chevrolet HHR. (203 Nm @ 4800 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet HHR.
Compare all specifications:
| 2009 Chevrolet HHR | 2007 Opel Astra | |
| Make | Chevrolet | Opel |
| Model | HHR | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2201 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 155 HP | 168 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 203 Nm | 251 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1266 kg | 1385 kg |
| Vehicle Length | 4480 mm | 4480 mm |
| Vehicle Width | 1760 mm | 2030 mm |
| Vehicle Height | 1610 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
| Fuel Consumption Overall | 9.1 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
