2002 Alfa Romeo 156 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 4 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 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 122 more horse power than 2002 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2002 Alfa Romeo 156.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 69 more torque (in Nm) than 2002 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2006 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 | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 156 | Sierra |
| Year Released | 2002 | 2006 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5358 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 295 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 385 Nm | 454 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 96 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4450 mm | 5850 mm |
| Vehicle Width | 1750 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1810 mm |
| Wheelbase Size | 2600 mm | 3650 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 98 L |
