1972 AMC Ambassador vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 33 year(s). Which means there will be less support and parts availability for 1972 AMC Ambassador. In addition, the cost of maintenance, including insurance, on 1972 AMC Ambassador 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 171 more horse power than 1972 AMC Ambassador. (150 HP @ 4200 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1972 AMC Ambassador. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 634 kg more than 1972 AMC Ambassador. 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 1972 AMC Ambassador. 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 38 more torque (in Nm) than 1972 AMC Ambassador. (332 Nm @ 2500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 AMC Ambassador.
Compare all specifications:
| 1972 AMC Ambassador | 2005 GMC Sierra | |
| Make | AMC | GMC |
| Model | Ambassador | Sierra |
| Year Released | 1972 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4982 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 150 HP | 321 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 332 Nm | 370 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1636 kg | 2270 kg |
| Vehicle Length | 5370 mm | 5790 mm |
| Vehicle Width | 1970 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 3110 mm | 3650 mm |
