2008 Chevrolet HHR vs. 2005 Opel Signum
To start off, 2008 Chevrolet HHR is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 2,200 cc (4 cylinders), 2008 Chevrolet HHR is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (173 HP @ 5500 RPM) has 24 more horse power than 2008 Chevrolet HHR. (149 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2008 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 485 kg more than 2008 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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 59 more torque (in Nm) than 2008 Chevrolet HHR. (206 Nm @ 4200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet HHR.
Compare all specifications:
| 2008 Chevrolet HHR | 2005 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | HHR | Signum |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2200 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 173 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 206 Nm | 265 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1075 kg | 1560 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1610 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2620 mm |
| Fuel Consumption Overall | 10.2 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 61 L | 60 L |
