2004 Alfa Romeo 156 vs. 2007 Chevrolet HHR
To start off, 2007 Chevrolet HHR is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,177 cc (6 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (238 HP @ 6200 RPM) has 89 more horse power than 2007 Chevrolet HHR. (149 HP @ 5600 RPM). In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 2007 Chevrolet HHR.
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, 2004 Alfa Romeo 156 (289 Nm @ 4800 RPM) has 83 more torque (in Nm) than 2007 Chevrolet HHR. (206 Nm @ 4200 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet HHR.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2007 Chevrolet HHR | |
| Make | Alfa Romeo | Chevrolet |
| Model | 156 | HHR |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 2201 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 149 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 289 Nm | 206 Nm |
| Torque RPM | 4800 RPM | 4200 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1610 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Consumption Overall | 12.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
