2003 Alfa Romeo 156 vs. 2011 Chevrolet HHR
To start off, 2011 Chevrolet HHR is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (247 HP @ 6200 RPM) has 92 more horse power than 2011 Chevrolet HHR. (155 HP @ 6100 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2011 Chevrolet HHR. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 104 kg more than 2011 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, 2003 Alfa Romeo 156 (306 Nm @ 4800 RPM) has 103 more torque (in Nm) than 2011 Chevrolet HHR. (203 Nm @ 4800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet HHR.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2011 Chevrolet HHR | |
| Make | Alfa Romeo | Chevrolet |
| Model | 156 | HHR |
| Year Released | 2003 | 2011 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2200 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 155 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 306 Nm | 203 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1431 kg |
| Vehicle Length | 4450 mm | 4475 mm |
| Vehicle Width | 1750 mm | 1755 mm |
| Vehicle Height | 1400 mm | 1603 mm |
| Wheelbase Size | 2550 mm | 2629 mm |
| Fuel Tank Capacity | 63 L | 61 L |
