2005 Alfa Romeo 156 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 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 113 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 781 kg more than 2005 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 2005 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 193 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2013 GMC Sierra has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2013 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 185 HP | 298 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 221 Nm | 414 Nm |
| Torque RPM | 5000 RPM | 4600 RPM |
| Engine Bore Size | 88 mm | 96 mm |
| Engine Stroke Size | 68.3 mm | 83 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 2271 kg |
| Vehicle Length | 4730 mm | 5702 mm |
| Vehicle Width | 1820 mm | 2031 mm |
| Vehicle Height | 1420 mm | 1875 mm |
| Wheelbase Size | 2600 mm | 3378 mm |
| Fuel Tank Capacity | 72 L | 129 L |
