2005 Alfa Romeo 159 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 137 more horse power than 2005 Alfa Romeo 159. (158 HP @ 6500 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2005 Alfa Romeo 159.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 264 more torque (in Nm) than 2005 Alfa Romeo 159. (190 Nm @ 4500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 159.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 159 | Sierra |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1859 cc | 5358 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 158 HP | 295 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 190 Nm | 454 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 86.1 mm | 96 mm |
| Engine Stroke Size | 80 mm | 92 mm |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4670 mm | 5850 mm |
| Vehicle Width | 1830 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1810 mm |
| Wheelbase Size | 2600 mm | 3650 mm |
| Fuel Consumption | 6.6 L/100km | 11.2 L/100km |
| Fuel Consumption City | 12.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
