2004 GMC Sierra vs. 2008 Alfa Romeo 156
To start off, 2008 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2004 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 152 more horse power than 2008 Alfa Romeo 156. (148 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1445 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 2004 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, 2004 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, 2004 GMC Sierra (489 Nm) has 307 more torque (in Nm) than 2008 Alfa Romeo 156. (182 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156.
Compare all specifications:
| 2004 GMC Sierra | 2008 Alfa Romeo 156 | |
| Make | GMC | Alfa Romeo |
| Model | Sierra | 156 |
| Year Released | 2004 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 148 HP |
| Torque | 489 Nm | 182 Nm |
| Engine Bore Size | 102 mm | 83 mm |
| Engine Stroke Size | 92 mm | 91 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2730 kg | 1285 kg |
| Vehicle Length | 6030 mm | 4440 mm |
| Vehicle Width | 2030 mm | 1750 mm |
| Vehicle Height | 1940 mm | 1440 mm |
| Wheelbase Size | 4250 mm | 2600 mm |
| Fuel Tank Capacity | 129 L | 63 L |
