2006 GMC Sierra vs. 2012 Alfa Romeo 159
To start off, 2012 Alfa Romeo 159 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 89 more horse power than 2012 Alfa Romeo 159. (256 HP @ 6200 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2012 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 630 kg more than 2012 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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 GMC Sierra (515 Nm @ 4000 RPM) has 193 more torque (in Nm) than 2012 Alfa Romeo 159. (322 Nm @ 4500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2012 Alfa Romeo 159.
Compare all specifications:
| 2006 GMC Sierra | 2012 Alfa Romeo 159 | |
| Make | GMC | Alfa Romeo |
| Model | Sierra | 159 |
| Year Released | 2006 | 2012 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5996 cc | 3195 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 256 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 515 Nm | 322 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Compression Ratio | 9.2:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2478 kg | 1848 kg |
| Vehicle Length | 5850 mm | 4670 mm |
| Vehicle Width | 2000 mm | 1830 mm |
| Vehicle Height | 1910 mm | 1420 mm |
| Wheelbase Size | 3650 mm | 2710 mm |
| Fuel Consumption City | 18.1 L/100km | 15.9 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 98 L | 70 L |
