1972 AMC Ambassador vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 35 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 5,357 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (315 HP @ 5200 RPM) has 165 more horse power than 1972 AMC Ambassador. (150 HP @ 4200 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1972 AMC Ambassador. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 799 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 2007 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, 2007 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, 2007 GMC Sierra (458 Nm @ 4400 RPM) has 126 more torque (in Nm) than 1972 AMC Ambassador. (332 Nm @ 2500 RPM). This means 2007 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 | 2007 GMC Sierra | |
| Make | AMC | GMC |
| Model | Ambassador | Sierra |
| Year Released | 1972 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4982 cc | 5357 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 150 HP | 315 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 332 Nm | 458 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Engine Bore Size | 95.2 mm | 96 mm |
| Engine Stroke Size | 87.3 mm | 92 mm |
| Engine Compression Ratio | 8.4:1 | 9.4:1 |
| 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 | 2435 kg |
| Vehicle Length | 5370 mm | 6320 mm |
| Vehicle Width | 1970 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 3110 mm | 4010 mm |
