2008 Alfa Romeo 156 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2008 Alfa Romeo 156 would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 150 more horse power than 2008 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1169 kg more than 2008 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2013 GMC Sierra will offer significantly more control. 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 232 more torque (in Nm) than 2008 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156.
Compare all specifications:
| 2008 Alfa Romeo 156 | 2013 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2008 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 298 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 182 Nm | 414 Nm |
| Torque RPM | 3800 RPM | 4600 RPM |
| Engine Bore Size | 83 mm | 96 mm |
| Engine Stroke Size | 91 mm | 83 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 2454 kg |
| Vehicle Length | 4440 mm | 5847 mm |
| Vehicle Width | 1750 mm | 2032 mm |
| Vehicle Height | 1440 mm | 1872 mm |
| Wheelbase Size | 2600 mm | 3645 mm |
| Fuel Tank Capacity | 63 L | 98 L |
