1999 Alfa Romeo 145 vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 145 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 175 more horse power than 1999 Alfa Romeo 145. (120 HP @ 6400 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1999 Alfa Romeo 145.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 310 more torque (in Nm) than 1999 Alfa Romeo 145. (144 Nm @ 4500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 2006 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 145 | Sierra |
| Year Released | 1999 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 5358 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 120 HP | 295 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 144 Nm | 454 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 75.7 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Length | 4100 mm | 5850 mm |
| Vehicle Width | 1720 mm | 2000 mm |
| Vehicle Height | 1440 mm | 1810 mm |
| Wheelbase Size | 2600 mm | 3650 mm |
| Fuel Consumption | 6.5 L/100km | 11.2 L/100km |
| Fuel Consumption City | 8.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 12.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 51 L | 98 L |
