1999 GMC Sierra vs. 1972 Porsche 911
To start off, 1999 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1972 Porsche 911. In addition, the cost of maintenance, including insurance, on 1972 Porsche 911 would be higher. At 4,784 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (267 HP @ 5200 RPM) has 102 more horse power than 1972 Porsche 911. (165 HP @ 6200 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1972 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 728 kg more than 1972 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1972 Porsche 911. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 GMC Sierra (386 Nm @ 4000 RPM) has 180 more torque (in Nm) than 1972 Porsche 911. (206 Nm @ 4500 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Porsche 911.
Compare all specifications:
| 1999 GMC Sierra | 1972 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 1999 | 1972 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4784 cc | 2339 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 267 HP | 165 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 386 Nm | 206 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1805 kg | 1077 kg |
| Vehicle Length | 5170 mm | 4150 mm |
| Vehicle Width | 2000 mm | 1620 mm |
| Vehicle Height | 1810 mm | 1330 mm |
| Wheelbase Size | 3030 mm | 2270 mm |
