2005 Alfa Romeo 166 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 180 more horse power than 2005 Alfa Romeo 166. (173 HP @ 4000 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 820 kg more than 2005 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 121 more torque (in Nm) than 2005 Alfa Romeo 166. (385 Nm @ 2000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 166. 2011 GMC Sierra has automatic transmission and 2005 Alfa Romeo 166 has manual transmission. 2005 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2011 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 166 | Sierra |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 5999 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 353 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 385 Nm | 506 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Diesel | 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 | 1615 kg | 2435 kg |
| Vehicle Length | 4730 mm | 6340 mm |
| Vehicle Width | 1810 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1950 mm |
| Wheelbase Size | 2600 mm | 4010 mm |
| Fuel Consumption Overall | 7.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 72 L | 129 L |
