2004 Alfa Romeo 156 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 147 more horse power than 2004 Alfa Romeo 156. (148 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 898 kg more than 2004 Alfa Romeo 156. 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, 2005 GMC Sierra (454 Nm) has 154 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2005 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5359 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 295 HP |
| Torque | 300 Nm | 454 Nm |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 2423 kg |
| Vehicle Width | 1750 mm | 2000 mm |
| Vehicle Height | 1460 mm | 1880 mm |
| Wheelbase Size | 2600 mm | 4010 mm |
| Fuel Consumption Overall | 6.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 129 L |
