2005 Alfa Romeo 156 vs. 2009 Chevrolet HHR
To start off, 2009 Chevrolet HHR is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 17 more horse power than 2009 Chevrolet HHR. (168 HP @ 6200 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2009 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 20 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, both vehicles can yield 222 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Chevrolet HHR | |
| Make | Alfa Romeo | Chevrolet |
| Model | 156 | HHR |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2399 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 168 HP |
| Engine RPM | 5000 RPM | 6200 RPM |
| Torque | 222 Nm | 222 Nm |
| Torque RPM | 5000 RPM | 4800 RPM |
| Engine Bore Size | 88 mm | 88 mm |
| Engine Stroke Size | 68.3 mm | 98 mm |
| Top Speed | 225 km/hour | 180 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1470 kg |
| Vehicle Length | 4450 mm | 3380 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1610 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 72 L | 61 L |
