2004 Alfa Romeo 147 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 147 would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 147 more horse power than 2004 Alfa Romeo 147. (148 HP @ 6300 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2004 Alfa Romeo 147.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 273 more torque (in Nm) than 2004 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 147.
Compare all specifications:
| 2004 Alfa Romeo 147 | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 147 | Sierra |
| Year Released | 2004 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 5358 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 |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 181 Nm | 454 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83.1 mm | 96 mm |
| Engine Stroke Size | 91 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Length | 4230 mm | 5850 mm |
| Vehicle Width | 1740 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2550 mm | 3650 mm |
| Fuel Consumption | 7 L/100km | 11.2 L/100km |
| Fuel Consumption City | 12.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 8.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 98 L |
