2003 Alfa Romeo 156 vs. 2009 Pontiac G6
To start off, 2009 Pontiac G6 is newer by 6 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 3,500 cc (6 cylinders), 2009 Pontiac G6 is equipped with a bigger engine. In terms of performance, 2009 Pontiac G6 (219 HP @ 5900 RPM) has 30 more horse power than 2003 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2009 Pontiac G6 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 158 kg more than 2009 Pontiac G6.
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 Pontiac G6 (297 Nm @ 3200 RPM) has 79 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2009 Pontiac G6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Pontiac G6 | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | G6 |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 219 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 218 Nm | 297 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Engine Bore Size | 88 mm | 87.9 mm |
| Engine Stroke Size | 68.3 mm | 97.8 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1352 kg |
| Vehicle Length | 4450 mm | 4810 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2860 mm |
| Fuel Consumption | 8.6 L/100km | 9.1 L/100km |
| Fuel Consumption City | 17.5 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
