2007 Alfa Romeo 166 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 166 would be higher. At 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 117 more horse power than 2007 Alfa Romeo 166. (236 HP @ 6200 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 599 kg more than 2007 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 217 more torque (in Nm) than 2007 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166. 2009 GMC Sierra has automatic transmission and 2007 Alfa Romeo 166 has manual transmission. 2007 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2009 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 166 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 236 HP | 353 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 289 Nm | 506 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 2141 kg |
| Vehicle Length | 4730 mm | 6580 mm |
| Vehicle Width | 1810 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1960 mm |
| Wheelbase Size | 2710 mm | 4250 mm |
| Fuel Consumption Overall | 12.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 69 L | 129 L |
