2008 Chevrolet HHR vs. 2006 Opel Astra
To start off, 2008 Chevrolet HHR is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 2,401 cc (4 cylinders), 2008 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (238 HP @ 5600 RPM) has 66 more horse power than 2008 Chevrolet HHR. (172 HP @ 5800 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2008 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2008 Chevrolet HHR weights approximately 77 kg more than 2006 Opel Astra.
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, 2006 Opel Astra (320 Nm @ 2400 RPM) has 94 more torque (in Nm) than 2008 Chevrolet HHR. (226 Nm @ 4500 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet HHR.
Compare all specifications:
| 2008 Chevrolet HHR | 2006 Opel Astra | |
| Make | Chevrolet | Opel |
| Model | HHR | Astra |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2401 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 172 HP | 238 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 226 Nm | 320 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 98 mm | 86 mm |
| Engine Compression Ratio | 10.4:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 180 km/hour | 244 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1393 kg |
| Vehicle Length | 3380 mm | 4300 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1610 mm | 1410 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
| Fuel Consumption Overall | 8.6 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
