1976 Alfa Romeo Navajo vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 35 year(s). Which means there will be less support and parts availability for 1976 Alfa Romeo Navajo. In addition, the cost of maintenance, including insurance, on 1976 Alfa Romeo Navajo 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 125 more horse power than 1976 Alfa Romeo Navajo. (228 HP @ 8800 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1976 Alfa Romeo Navajo. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1794 kg more than 1976 Alfa Romeo Navajo. 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 1976 Alfa Romeo Navajo. 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 200 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo. 2011 GMC Sierra has automatic transmission and 1976 Alfa Romeo Navajo has manual transmission. 1976 Alfa Romeo Navajo 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:
| 1976 Alfa Romeo Navajo | 2011 GMC Sierra | |
| Make | Alfa Romeo | GMC |
| Model | Navajo | Sierra |
| Year Released | 1976 | 2011 |
| Engine Position | Middle | Front |
| Engine Size | 1995 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 353 HP |
| Engine RPM | 8800 RPM | 5400 RPM |
| Torque | 306 Nm | 506 Nm |
| Torque RPM | 7000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 870 kg | 2664 kg |
| Vehicle Length | 3810 mm | 5710 mm |
| Vehicle Width | 1870 mm | 2040 mm |
| Vehicle Height | 1060 mm | 1940 mm |
| Wheelbase Size | 2440 mm | 3380 mm |
