2009 Chevrolet HHR vs. 2008 Alfa Romeo 156
To start off, 2009 Chevrolet HHR is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 2008 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 156 (189 HP @ 6300 RPM) has 21 more horse power than 2009 Chevrolet HHR. (168 HP @ 6200 RPM) In normal driving conditions, 2008 Alfa Romeo 156 should accelerate faster than 2009 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet HHR weights approximately 114 kg more than 2008 Alfa Romeo 156.
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, 2009 Chevrolet HHR (222 Nm @ 4800 RPM) has 4 more torque (in Nm) than 2008 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2009 Chevrolet HHR will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156.
Compare all specifications:
| 2009 Chevrolet HHR | 2008 Alfa Romeo 156 | |
| Make | Chevrolet | Alfa Romeo |
| Model | HHR | 156 |
| Year Released | 2009 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 189 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 222 Nm | 218 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Engine Bore Size | 88 mm | 88 mm |
| Engine Stroke Size | 98 mm | 68.3 mm |
| Engine Compression Ratio | 10.4:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 180 km/hour | 230 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1356 kg |
| Vehicle Length | 3380 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1750 mm |
| Vehicle Height | 1610 mm | 1440 mm |
| Wheelbase Size | 2640 mm | 2600 mm |
| Fuel Consumption Overall | 8.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 61 L | 63 L |
