2009 Alfa Romeo 147 vs. 2007 GMC Sierra
To start off, 2009 Alfa Romeo 147 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 152 more horse power than 2009 Alfa Romeo 147. (148 HP @ 4000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 Alfa Romeo 147.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 183 more torque (in Nm) than 2009 Alfa Romeo 147. (305 Nm @ 2000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo 147. 2007 GMC Sierra has automatic transmission and 2009 Alfa Romeo 147 has manual transmission. 2009 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo 147 | 2007 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 147 | Sierra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 300 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 305 Nm | 488 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 102 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Length | 4230 mm | 6330 mm |
| Vehicle Width | 1740 mm | 2450 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2550 mm | 4010 mm |
| Fuel Tank Capacity | 60 L | 129 L |
