2002 Alfa Romeo 156 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (285 HP) has 147 more horse power than 2002 Alfa Romeo 156. (138 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1052 kg more than 2002 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2002 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (400 Nm) has 237 more torque (in Nm) than 2002 Alfa Romeo 156. (163 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2005 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2002 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 4802 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 285 HP |
| Torque | 163 Nm | 400 Nm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1265 kg | 2317 kg |
| Vehicle Length | 4440 mm | 5710 mm |
| Vehicle Width | 1750 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2710 mm | 3380 mm |
| Fuel Tank Capacity | 63 L | 129 L |
