2007 Alfa Romeo 166 vs. 2005 GMC Sierra
To start off, 2007 Alfa Romeo 166 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 85 more horse power than 2007 Alfa Romeo 166. (236 HP @ 6200 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 728 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 2005 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, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 81 more torque (in Nm) than 2007 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166. 2005 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. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2005 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | 166 | Sierra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 236 HP | 321 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 289 Nm | 370 Nm |
| Torque RPM | 4800 RPM | 4000 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 | 2270 kg |
| Vehicle Length | 4730 mm | 5790 mm |
| Vehicle Width | 1810 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2710 mm | 3650 mm |
| Fuel Consumption Overall | 12.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 69 L | 117 L |
