2003 Alfa Romeo 156 vs. 2006 Pontiac Grand Prix
To start off, 2006 Pontiac Grand Prix is newer by 3 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 3,786 cc (6 cylinders), 2006 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2006 Pontiac Grand Prix (260 HP @ 5200 RPM) has 98 more horse power than 2003 Alfa Romeo 156. (162 HP @ 6400 RPM) In normal driving conditions, 2006 Pontiac Grand Prix should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Pontiac Grand Prix weights approximately 62 kg more than 2003 Alfa Romeo 156. 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, 2006 Pontiac Grand Prix (380 Nm @ 3600 RPM) has 174 more torque (in Nm) than 2003 Alfa Romeo 156. (206 Nm @ 3250 RPM). This means 2006 Pontiac Grand Prix 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 | 2006 Pontiac Grand Prix | |
Make | Alfa Romeo | Pontiac |
Model | 156 | Grand Prix |
Year Released | 2003 | 2006 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1968 cc | 3786 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 162 HP | 260 HP |
Engine RPM | 6400 RPM | 5200 RPM |
Torque | 206 Nm | 380 Nm |
Torque RPM | 3250 RPM | 3600 RPM |
Engine Bore Size | 83 mm | 96.5 mm |
Engine Stroke Size | 91 mm | 86.4 mm |
Engine Compression Ratio | 11.3:1 | 8.5:1 |
Drive Type | Front | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1285 kg | 1347 kg |
Vehicle Length | 4440 mm | 5040 mm |
Vehicle Width | 1750 mm | 1830 mm |
Vehicle Height | 1440 mm | 1430 mm |
Wheelbase Size | 2550 mm | 2810 mm |
Fuel Consumption | 6.6 L/100km | 8.6 L/100km |
Fuel Consumption City | 12.2 L/100km | 12.5 L/100km |
Fuel Consumption Overall | 8.6 L/100km | 10.8 L/100km |
Fuel Tank Capacity | 63 L | 64 L |